PICAT: General Science
Which of the following is equal to the atomic number of a chemical element?
Number of protons
Which are not considered greenhouse gases?
Oxygen
What type of current is produced by a battery?
DC
The process of liquid water spontaneously changing to a gaseous state at room temperature is known as?
Evaporation
Which atmospheric layer contains the ozone layer?
Stratosphere
The Earth is the _ planet from the sun?
Third
What is the molecular weight of the compound C2H5O?
45
Sound waves will travel the fastest in a medium that is?
The most dense
Unoxygenated blood travels to the heart via which of the following?
Veins
Which of these planets in our solar system is closest to the sun?
Venus
The sun's energy reaches the Earth's surface primarily in the form of?
Visible light radiation
In common terms, H2O is known as?
Water
What liquid is neither acidic nor basic?
Water
In degrees Celsius, at what point does pure water freeze?
0 degrees
At what temperature Celsius does water boil?
100 degrees
When did the space shuttle first fly?
1981
How many bones are in the human body?
206
How long is the small intestine?
22 feet
How many different elements are present in glucose?
3
In meiosis, one parent cell becomes how many daughter cells?
4
The average adult human body is composed of approximately what percentage of water?
55%-65%
How many moons does Saturn have?
62
What is the scientific notation for 832,000?
8.32x10^5
Which of the following ecosystems could be described as housing thousands of species and has tall trees that form a ceiling from the Sun above?
A tropical rain forest
What is the device used to measure electrical current?
Ammeter
Which has a pH over 7?
Baking soda
Waves bend when they move around obstructions or pass through narrow openings. This type of bending is called:
Diffraction
Bile is a substance secreted to help digest fats. Bile is stored in the?
Gallbladder
Who invented the telescope?
Hans Lippershey
In vertebrates, which substance gives red blood cells their color?
Hemoglobin
Which element is necessary in the formation of rust?
Hydrogen
Which is not a part of the human eye?
Incus
Newton's first law of motion states that objects in motion remain in motion unless acted upon by an outside force, and objects at rest stay at rest unless acted upon by an outside force. This statement is also referred to as the law of
Inertia
Which element in the protein hemoglobin, found in red blood cells, is responsible for binding oxygen?
Iron
Which of the following biological classifications is the largest and most inclusive?
Kingdom
Which of the following body systems is most closely associated with the immune system?
Lymphatic system
Which is not found in a cell?
Metatarsal
What is the reason it is harder to stop a baseball flying at 100 mph than it is to stop a baseball flying at 50 mph?
Momentum
Kinetic energy of an object is the energy it possesses due to its?
Motion
If an unbalanced force applied to an object doubles, then the object will begin to accelerate according to?
Newton's Second Law
The primary gaseous component of Earth's atmosphere is?
Nitrogen
Blood that flows back from the body will enter the heart through the?
Right atrium
In the field of genetics, an organisms appearance is referred to as its:
Phenotype
When a blood vessel is injured, which of the following is responsible for clotting?
Platelets
Animals that feed exclusively on plants are called:
Primary consumers
The nucleus of an atom is composed of?
Protons and neutrons
Which type of rock would likely be found at the bottom of a river bed?
Sedimentary
A sudden, intense, brightening from a small area of the Sun's surface is called:
Solar flare
Sound waves travels faster in
Steel
When a liquid becomes a gas, _
The molecules move farther apart
What is the world's largest fish?
Whale shark
