Coach henrys exam!!!
Which box represents a pure element material
1st and 3rd box
In the boxes shown above, each solid circle represents an atom of the same element. How many different types of molecules are depicted in the above transformation
2 types
Which box shows a pure compound
2nd box
What is a scientific fact
A phenomenon about which competent observers can agree on
In science changing your mind when confronted with evidence that does not agree with your thinking is seen as ...
Acceptable
Science art and religion do not contradict one another because
All three have different domains
The height of a wave up and down is called
Amplitude
Most chemist focus on
Applied research to provide us with new technology
What is the basic building block of life? What do those objects make?
Atoms and they make everything
In the periodic table, that are relatively larger in size appear in size appear in the
Bottom left side
If 2 protons and two neutrons were removed from oxygen, the element would be
Carbon
Does this image show a physical or chemical change
Chemical change
What happens during a chemical change
Creates a new substance that is not reversible
Write the scientific name for water. H2O is incorrect
Dihydrogen monoxide
Most of the size of an atom, the space it occupies, is in it
Electron cloud
A compound is made of atoms from different
Elements
Solid matter is mostly___ ___ because the atoms that compromise it or themselves mostly___ ___
Empty space, empty space
Electromagnetic energy travels and waves. These waves can vary in their frequencies and wavelengths. Electromagnetic energy is classified by the lengths and frequencies of its waves. Of the four wave types below which has the highest frequency
Gamma ultraviolet x-rays visible light
What does the size of an atom do as you move from left to right on the periodic table
Gets smaller
The element copper, silver, and gold are in the same
Group
Consider molecules of hydrogen gas and molecules of heavier oxygen gas that have the same kinetic energy. The molecules with more speed are
Hydrogen
For most atoms, compared with the atomic number, the atomic mass is
Larger
How do you find an atoms atomic number given by the element
Look in top left corner
Most are the atoms in the periodic table are
Metals
This feature makes that a hypothesis scientific is that
Must be testable
Which have been around longer the atoms and a newborn baby or those in older person
Neither they're the same age
Which type of elements are least able to combine with other elements
Noble gases
Most of the mass and atom is in it
Nucleus
How many experiments does it take to show that I hypothesis is fake
One
What are collums and rows called in the periodic table
Periods
The most basic of the physical sciences is
Physics
Science build on one another which sequence best illustrates this
Physics chemistry earth science astronomy
What are charges of the subatomic particles
Protons (positive), Neutrons (neutral) and Electrons (negative)
Describe a mechanical wave
Requires a medium to travel through
Give an example of a chemical change and physical change
Ripping paper and rust
What is the difference between a scientific theory and hypothesis
Series have been tested hypothesis haven't
The circles in the boxes shown above represent the submicroscopic particles of a material in its 3 phases. From left to right these are
Solid liquid and gas
Describe how atoms move in solids, liquids, and gases
Solid vibrate, liquid move a little, gas move freely
The difference between a cup of hot chocolate and a cup of cooled chocolate has to do with the difference between in molecular
Speed
Molecules are considered microscopic,submicroscopic or macroscopic
Submicroscopic
Which one of the following statements is a scientific hypothesis
The backside of the moon has cities about the size of Chicago
The highest point of the Waves called
The crest
Radiant energy is the source of electromagnetic waves which include X-ray and frayed and ultraviolet waves among others. The diagram below shows the electromagnetic spectrum describe the speed of these waves in a vacuum based off the image above
The speed of light
What is a scientific theory? Hypothesis?
Theory is well tested hypothesis is an educated guess
Tony is studying the types of waves that occur during earthquakes. He finds a diagram of an s-wave that shows how the waves make the Earth move what type of wave is an s-wave?
Transverse
What is the name given to the lowest point of a wave? Highest?
Trough is the lowest and Crest is the highest
Energy from the Sun arrives as electromagnetic radiation with a wide range of wavelengths and frequencies. Which forms of electromagnetic radiation has more energy than visible light waves have?
UV x-ray gamma
The invisible part of the electromagnetic spectrum consists of the colors that we see in a rainbow. Different colors correspond to different wavelengths of light. Which color of visible light has the shortest wavelength question mark longest wavelength?
Violet has the shortest and radio has the longest
The distance between each wave is called
Wavelength
The electrons called valence electrons reside in
an atom's outermost shell
Technology is the application of...
science
The lowest point of a wave is called
trough
The physical properties of a compound are
uniquely different from the physical properties of the elements from which it is made
What are the outermost electrons called?
valence electrons