C165 - integrated science + Physics
C
"When water freezes, the water molecules join weakly in a specific way" is mainly a statement about which field of science? A. Physics B. Earth science C. Chemistry
D
Density is equal to A. Volume divided by mass B. Mass times volume C. Volume times mass D. Mass divided by the volume.
A
How does a hypothesis compare with a law? A. A law is supported by extensive evidence, but a hypothesis has not been tested enough to be supported by extensive evidence yet. B. A law and a hypothesis are both supported by little if any evidence. C. A law and a hypothesis are both tested and supported by extensive evidence. D. A hypothesis is supported by extensive evidence, but a law is supported by little, if any, evidence.
A
Identify what the best prefix is to use for each measurement. Melt a 5 —— stick of butter and add to the mixture. A. Centimeter B. Nanometer C. Meter
B
Identify what the best prefix is to use for each measurement. You are to mix these with 50 —- of salt. A. kilograms B. Milligrams C. Grams
A
Identify what the best prefix is to use for each measurement. Your recipe calls for 100 —- of flour. A. Grams B. Kilograms C. Miligrams
A
Identify what the best prefix is to use for each measurement. Your recipe calls for 250—- of water. A. Milliliters B. Liters C. Mega liters
D
Identify which measuring device should be used to make each measurement. 16 oz of cheese A. Clock B. Measuring cup C. Thermometer D. Balance
B
Identify which measuring device should be used to make each measurement. 3.5 pints of water A. Balance B. Measuring cup C. Clock D. Thermometer
D
Identify which measuring device should be used to make each measurement. 45 minutes A. Balance B. Thermometer C. Measuring cup D. Clock
B
Identify which measuring device should be used to make each measurement. A temperature of 375*C A. Measuring cup B. Thermometer C. Clock D. Balance
D
If the net force acting on an object is halved, how will the acceleration change? A. The acceleration will double. B. The acceleration will remain the same. C. The acceleration will change in an unpredictable way. D. The acceleration will be half as much.
B
If the net force is zero on a motorcycle traveling at 20 m/s, which statement is true concerning the motion of the motorcycle? A. The motorcycle will come to a stop. B. The motorcycle will continue traveling at 20 m/s. C. The motorcycle will accelerate at a rate of 20 m/s2. D. The motorcycle's motion will change.
C
If two boxes with masses of 5 kg and 20 kg are pushed with the same force, which one will accelerate more? A. The 20 kg box B. They will accelerate the same. C. The 5 kg box
D
Which would be the BEST tool to use to calculate the amount of space taken up by 10 irregularly-shaped ice cubes? A. thermometer B. ruler C. digital scale D. graduated beaker
C
While on a hiking trip, several children become sick after drinking water from a well. What is a hypothesis concerning this situation? A. Most children were nauseated. B. Everyone who drank the well water became sick. C. Bacteria in the well may have caused the sickness. D. The parents were very worried about the children.
C
Why is it important to have standard measures for physical quantities? A. To make it more difficult for scientists to exchange and compare results of their measurements. B. To make measurements, such as length, easier to perform C. To allow for the comparison of measurements with anyone familiar with the measurement system. D. To allow scientists from other countries to use standard measures and not make up their own units
B
"The water freezes on its surface first" is mainly a statement about which field of science? A. Physics B. Earth science C. chemistry
A
Using the base SI unit for temperature, the boiling point of water can be written as A. 373 K. B. 100°F. C. 100 K.
A
What characteristic of a sample of liquid does a graduated cylinder measure? A. volume B. density C. mass D. weight
D
What has values that are expressed in terms of derived SI units? A. Time B. Length C. Mass D. Speed
B
What is NOT a correct statement about inertia? A. Inertia is the resistance of matter to changes in its motion. B. An object with less mass has more inertia. C. An object with more inertia is more difficult to accelerate. D. Inertia is the tendency to keep the same motion.
C
What is NOT a derived SI unit? A. Square centimeter B. Cubic meter C. Kilogram D. Meter per second
B
What is a derived unit for volume? A. m/s B. m^3 C. m D. g/m^3
B
What is an experiment in which you deliberately change only one variable and observe how a second variable changes as a result while you hold all other variables that you control constant is? A. An observational study B. A controlled experiment C. A field study D. An uncontrolled experiment
b
What is the official SI base unit for length? A. kelvin b. meter C. kilometer D. gram
C
What is the official SI base unit for mass? A. gram B. meter C. kilogram D. second
D
What is the official SI base unit for time? A. hour B. kilograms C. meters/second D. second
D
hich of these is NOT a base unit in the SI system? A. meter B. kilogram C. second D. kilometer
C
recipe calls for 300 g of whole-wheat flour. What tool should you use to measure the flour? A. meter stick B. thermometer C. balance D. beaker
B. Objects floating because of their density has to do with the forces that the water exerts on the object which is a physics topic.
"Being less dense than liquid water makes the ice float" is mainly a statement about which field of science? A. Chemistry B. Physics C. Earth science
1) A 2) B 3) D 4) G
1) One of the members of a river research team measures how far a floating object has traveled at 5.0 seconds intervals. The intent is to calculate the speed of the water at the center of the river and collect similar data for other rivers. In measuring the distance at each time the independent variable is? A. Time B. Distance C. speed 2) The dependent variable is? 3) Studying the speed of water flow in the River by this method would classified as a ___ study. D. Field E. Laboratory 4) it is an example of ____ experiment. F. A controlled G. An uncontrolled
D
A ____ tentatively assumes what happens or how it happens in order to test what it assumes. A. theory B. Law C. Model D. Hypothesis
D
A car's engine provides a force of 200 N forward while a force of 150 N from air resistance acts to oppose the car's motion. What is the net force and its direction on the car? A. 350 N forward B. 350 N backward C. 50 N backward D. 50 N forward
C.
A cargo spacecraft that brings supplies to the International Space Station (ISS) is launched using rocket propulsion. The spacecraft's rockets fire hot gases backward. Which statement is true about this situation according to Newton's third law? A. The force that the rocket exerts on the hot gases is equal and opposite to the force the hot gases exert on the rocket. Therefore, the two forces cancel, and the rocket does not accelerate. B. The rocket will accelerate forward because the gases push it off the ground. C. When the rockets fire hot gases backward, this creates huge forces in the opposite direction, exerted on the spacecraft by the hot gases.
D: This is the variable that is arbitrarily changed and determines the final speed in each run.
A class carries out an experiment in which they allow the weight of the block with mass m2 to pull block m1 into motion, and then they measure the speed attained each time the hanging mass reaches the ground. They repeat this for different masses m2. The independent variable is A. the height h. B. the block's final speed. C. the mass m1. D. the mass m2.
C
A parachute is deployed to slow down a skydiver while descending toward the ground. What happens while he is descending? A. His velocity points upward, and his acceleration points upward. B. His velocity points downward, and his acceleration points downward. C. His velocity points downward, and his acceleration points upward. D. His velocity points upward, and his acceleration points downward.
B
A scientific procedure done in order to test a hypothesis is A. a theory. B. an experiment. C. a law.
D
A scientific theory is discarded A. if no one mentions it in scientific literature for 30 years. B. if a reputable scientific society says so. C. after about 30 years, at which time the scientists who originally proposed the theory may try to reestablish it with new evidence. D. If it is contradicted by new experiments or observations.
D
A scientist sets out to test his hypothesis that warmer sand temperatures during the incubation of turtle eggs produce female hatchlings and cooler sand temperatures produce males. The independent variable is A. the gender of the turtle. B. an incubator. C. female turtles. D. the temperature.
D
After hearing about the research, one of the students in class at the professor, "what is the nicest river in America?" Why can't research in earth science answer this simple question? A. The question deals with life science. B. It requires field studies instead of laboratory test. C. Experimental measurements are not perfect. D. There is no falsifiable answer.
A
An astronaut on board the ISS gently lifts her feet off the floor of the cabin so that she is not touching any object. At that moment, the ISS rockets start to reboost and accelerate the ISS forward. What will happen to the astronaut initially? A. To an observer accelerating with the ISS, she will appear to be accelerating backward. B. She will immediately accelerate with the ISS. C. She will first be jerked backward and then pulled forward with the ISS, just like when you start driving your car at a traffic light.
A
As a cargo spacecraft lifts off, its booster rockets are employed to accelerate it. Assume that the booster rockets apply a constant force on the spacecraft. The higher the spacecraft ascends, the less mass it has because some of its fuel is burned. What is happening as the spacecraft is ascending? A. Both its speed and acceleration increase. B. Its speed decreases, and its acceleration increases. C. Both its speed and acceleration decrease. D. Its speed increases, and its acceleration decreases.
A
At a scientific conference, a researcher suggests that fossil fuels did not originate from the decomposition of organic materials but instead were produced by inorganic means. What does this statement represent? A. Hypothesis B. Scientific law C. Experiment D. Scientific theory
B. Physics can explain the interactions of charged particles with the earths magnetic field because my next fields are forces.
Auroras are burst of light that happens when charge particles from the sun interact with the earth's magnetic field and atoms and molecules in our atmosphere. Which physical science is best suited to explain the interactions of the charged particles with Earth's magnetic field? A. Life science B. Physics C. Chemistry
B
Complete the sentence: a model in science is ___. A. An exact replica of the real system of interest. B. A simpler system that is analogous to the real system. C. A theory that explains the real system but has not been fully tested yet. D. A law that has not yet been adequately tested.
B
Cooking involves making many different measurements. Which of the following measurements is NOT a measurement of an SI base quantity? A. the time needed to cook a steak B. the volume of cream used in a dessert C. the temperature of an oven D. the length of a cake pan
D
For which case is there a net force acting on the object? A. A hockey puck sliding across ice at a constant speed in a straight line B. An apple that has fallen to the ground C. A 300 lb weight being held motionless over the head of a weight lifter D. A rocket accelerating upward at a rate of 5 m/s2
A
Geckos are known for being able to walk on very smooth surfaces, even upside down. Tiny ridges on the gecko's feet allow it to stick to a smooth glass surface because of weak forces between the atoms in the gecko's foot and the atoms in the glass. Which pair of physical sciences would be MOST relevant in investigating how a gecko sticks to glass? A. Physics and chemistry B. Earth science and chemistry C. Chemistry and biology
D
Iron ore consist mainly of iron atoms and oxygen atoms join together to form several different possible forms of iron oxide. Which branch of physical science most directly deals with developing ways to remove the oxygen from iron oxide, the leaving iron metal? A. Life Science B. Physics C. Earth Science D. Chemistry
B
Iron ore consist mainly of iron atoms and oxygen atoms joined to each other to form iron oxide. Which branch of physical science most directly deals with determining the kinds of rock formations likely to contain iron ore? A. Physics B. Earth science C. Life science D. Chemistry
B
Many species of fish contain a swim bladder within their body that is filled with gas and helps the fish to control and maintain their depth below the water. Which fields of science MOST directly explain the operation and evolution of the swim bladder of fish? A. Chemistry and Earth science B. Physics and life science
D
Match each base unit to the type of measurement by choosing the correct base unit. Length A. Second B. Kilogram C. Kelvin D. Meter
D
Match each base unit to the type of measurement by choosing the correct base unit. Mass A. Kelvin B. Meter C. Second D. Kilogram
C
Match each base unit to the type of measurement by choosing the correct base unit. Temperature A. Second B. Meter C. Kelvin D. Kilogram
B
Match each base unit to the type of measurement by choosing the correct base unit. Time A. Meter B. Second C. Kilogram D. Kelvin
B
Medical researchers want to be able to classify samples of cells by shape rapidly from the way light shining on the cells from a laser is scattered into different directions. Why might they run a computer program to calculate the scattering from different tiny egg-shaped particles for different lengths and widths instead of doing the tests on real cells? A. A model of the cells is more realistic than the real cells. B. The length, width, and height of the model cells can be adjusted more easily than with real cells. C. It is messier to use real cells. D. The calculated scattering from the model is more accurate than from real cells.
C
Ocean tides are caused by the force of gravity mainly from the moon and secondarily from the sun as Earth rotates on its axis. Which pair of physical sciences MOST directly deals with the tides and what causes them? A. Chemistry and Earth science B. Life science and Earth science C. Physics and Earth science D. Physics and chemistry
A
Satellites orbiting Earth scan the light reflected from below, and the data can then be analyzed to get information about the objects that reflected the light. This technology is called "remote sensing." For example, they can even distinguish between Astroturf in a football field and real grass on the ground below, even though these look the same to the human eye. Which field of science would MOST directly devise ways to detect and analyze reflected light obtained by remote sensing? A. Physics B. Earth science C. Chemistry D. Life Science
A
Science can be defined as A. a body of knowledge that is subject to change as more evidence is gathered. B. an effort to understand the universe that is tentative in nature and, thus, cannot provide practical results. C. a set of laws and theories that are proven to be true. D. a way to understand the meaning of life.
C (Ex. E=MC^2)
Scientists discovered that the pressure, volume, and temperature of any gas are all related by a simple mathematical equation to a good approximation, according to all available evidence. The mathematical equation giving this relationship is best described as a A. theory. B. hypothesis. C. law.
D
The Hubble space telescope was launched into orbit to take far sharper images than possible on Earth. It has since collected data that show some distant stars to have planets. The scientific investigation involved is BEST described as A. a simulation B. a modeling study C. a laboratory experiment D. an observational study
C
The amount of space occupied by a box is called the A. Area B. Density C. Volume
C
The origin of water on earth is not yet fully understood. To test one of the hypothesis, scientist laundry gigantic observational balloon to the heart I'm almost 130,000 feet to measure the amounts of water in comets and astroids based on the light reflected What is objects. What is the science best suited to calculate the force is required to launch the balloon to the required altitude? A. Earth Science B. Chemistry C. Physics
C
The statement, "The total energy in a closed system stays constant," is based on many years of experimental observations. The statement is an example of a A. hypothesis. B. theory. C. law.
C
The sun produces its energy by nuclear fusion reactions, and which smaller nuclei combine to produce large nuclei. Force is responsible for the nuclear fusion or called nuclear forces. Which is the physical science that studies nuclear forces? A. Physics B. Chemistry C. Earth science
C
The variable that a scientist changes in an experiment is called the A. dependent variable. B. controlled variable. C. independent variable.
C
The water flowing in a river comes from rain and snow that collected and eventually ran into rivers. As a river flows to the sea, water evaporates from it, and from all over earth's surfaces, back into the atmosphere, where the water can fall as rain and snow again. A team carries out an investigation, and it proposes that maybe the moist air is being cooled when the wind from west to east forces the air upward based on knowledge that temperatures tend to decrease with increasing height. Which term best describes this step? A. Constructing a scientific explanation B. Using a model C. Formulating a hypothesis D. Observation
C
Theories help scientists A. determine what is true and what is false. B. prove hypotheses. C. explain large amounts of data.
B
To find out how much carpet you need for your room, you shoulddetermine the - of the floor in your room. A. Volume B. Area C. Mass
C
Two tugboats attach their lines to separate barges with the same masses in a shipping channel. If one tugboat pulls Barge A toward the west while the other tugboat pulls Barge B in the same direction, applying twice as much force, which barge will accelerate more? A. Neither will accelerate. B. Neither, they will accelerate at the same rate. C. Barge B D. Barge A
C
What is true about scientific theories and scientific laws? A. A theory is about something very specific, while a law covers a broad range of phenomena. B. Laws are those theories that scientists have agreed at research conferences to accept. C. A law describes something specific that always happens, while a theory explains why or how a range of phenomena happen. D. Laws are theories that have been thoroughly tested and proved true.
C
What quality identifies a scientific statement as falsifiable? A. It was once true. B. It cannot be proved true. C. There is no way to test it for falseness. D. It is untrue
C
When A candle burns, it's molecule consisting of hydrogen and carbon atoms combine with oxygen to produce carbon dioxide and water. Which physical science is best for dealing with how the light from the candle travels through space? A. Chemistry B. Earth Science C. Physics
C
When might scientists analyze or test a model instead of the real system of interest? A. When more accurate results are needed B. When the real system is simpler and easier to analyze or test C. When the real system is too complex or difficult to analyze
C
When the electric eel needs electricity, its complex system of nerves simultaneously activates thousands of electricity-producing cells. As each cell receives the signal, it releases a tiny amount of the molecule called AChE. The study of the properties and interactions of AChE would be in the realm of A. physics. B. Earth science. C. Chemistry.
A
Which derived unit does NOT measure speed? A. mm/min2 B. km/hr C. m/s D. cm/day
C
Which field of physical science deals most directly with which atoms joint together to form molecules? A. Physics B. Earth science C. Chemistry
C
Which field of physical science most directly explains how the motion of the continents over 100 million years led to mountains and volcanoes in some places above land and deep ocean trenches in other places beneath the ocean surface? A. Physics B. Chemistry C. Earth science
D
Which field of science with primarily to use in studying the effect of weathering and erosion on features of the landscape overlong periods and time? A. Physics B. Chemistry C. Life Science D. Earth Science
A
Which field of science would primarily be used in studying the details of how moving water flowing around an object such as a pebble can exert enough force to lift it and carry it? A. Physics B. Chemistry C. Earth Science D. Life science
C
Which force statement is FALSE? A. A force can cause a change in motion. B. Acceleration is caused by a force. C. A force is not needed to cause acceleration. D. A force is a push or a pull.
D
Which is not a derived unit? A. m^3 B. g/m^3 C. m/s D. m
B
Which measurement is the closest to your height? A. 2 mm B. 2 m C. 2 cm D. 2 km
A
Which of the following is a derived quantity? A. Volume B. Mass C. Length
B
Which of the following pairs of variables has an inverse relationship? A. the volume of a sample of liquid and the mass of the sample B. your driving speed and the time required to drive a certain distance C. how hard an object is pushed and how fast it moves D. the speed of a hurricane's winds and the amount of damage they cause
C
Which of the following units is NOT a derived unit? A. g/cm3 B. km/hr C. kilometer D. m/s
D
Which of these has values that are expressed in terms of a derived unit in the SI system? A. time B. mass C. length D. area
C
Which of these is a derived quantity? A. temperature B. time C. volume D. mass
C
Which physical science MOST directly deals with the fundamental nature of time, space, energy, forces, and motion of matter? A. Earth science B. Chemistry C. Physics D. Life science
C. Earth science has to with materials
Which physical science is best for finding the best location to drill for the petroleum used to make the candles? A. Physics B. Chemistry C. Earth science
A
Which quantity is largest? A. 1 m^3 B. 1 c^3 C. 1,000 mL
C
Which statement best describes how the different physical sciences are related? A. Issues in chemistry do not involve physics. B. In science do not involve chemistry. C. Issues mainly in one science often involve issues in another sciences.
A. B. D. All can either be observed or experimented to test them. We cannot test C
Which statements below would be considered a hypothesis? A. Cactus plants use less water than other plants. B. Cactus plants grow tallest in sandy soil. C. Cactus plants are the best plants. D. Cactus plants grow best under purple light.
B
Which term BEST describes a research project in which scientists place microphones at the bottom of the seafloor to study the sounds orca whales make? A. A controlled experiment B. A field study C. A laboratory experiment
B
Which topic dealt with by physics would be the MOST DIRECTLY important in life science? A. How protons and neutrons interact inside the nucleus B. How drag forces influence the motion of bacteria as they swim through water C. How sound waves travel through water C. How the moon's motion is affected by Earth's motion
D
Which unit-type pair is INCORRECT? A. length - base unit B. area - derived unit C. density - derived unit D. speed - base unit
A
Why would you measure the distances to two nearby towns in kilometers rather than millimeters? A. You would have to use too many zeros for the distance in millimeters. B. Lengths of that size cannot be expressed in millimeters. C. The distance would be 10 times the number of millimeters if expressed in kilometers D. The distance would be 10 times the number of kilometers if expressed in millimeters.
A
You have a piece of modeling clay. If you cut the piece in two equal parts, its density will A. stay the same. B. increase two times. C. decrease two times.
