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100
What type of movement produces waves?
a vibration
100
What are waves of energy caused by the sudden breaking of rock within the earth or an explosion?
seismic waves
100
What are waves of energy caused by vibrations on water?
water waves
100
What are waves of energy caused by vibrations in the air?
sound waves
100
Melting is an example of what type of property?
physical property
200
The ability to burn is an example of what type of property
chemical property
200
Rusting of iron is an example of what type of property?
chemical property
200
Groups (families) are what on the periodic table? (Vertical or horizontal?
vertical
200
What is the smallest component to make up an element?
atom
200
Periods are what on the periodic table? (Vertical or horizontal)
horizontal
300
During photosynthesis water molecules are split into atoms of oxygen and ________________.
hydrogen
300
How are the families organized on the periodic table?
by similar properties
300
True or false. This is an example of a chemical change: A plant collecting sunlight and turning it into food
True
300
True or false. This is an example of a physical change: a car rusting.
False
300
What kind of energy is sunlight?
Electromagnetic energy
400
What kind of molecule has one Sodium atom and one Chloride atom? (NaCl)
Table Salt
400
What kind of molecule has two Hydrogen atoms and one Oxygen atom? (H2O)
Water
400
What kind of molecule has one Carbon atom and two Oxygen atoms? (CO2)
Carbon Dioxide
400
True or false. The Periodic Table has approximately 116 elements.
True
400
True or false. Melting is not evidence that a chemical change has occurred?
True
500
When one carbon atom (a nonmetal that has two main forms, diamond and graphite) combines with two oxygen atoms (a colorless, odorless reactive gas) the molecule carbon dioxide forms. What are the properties of carbon dioxide?
a colorless, odorless gas
500
What kind of change occurs on the surface of bread when it is toasted?
Chemical Change
500
True or false. You will study and do well for your midterm.
True!!! Good luck!
500
When one copper atom (a reddish orange, soft metal that takes on a bright metallic luster) combines with one oxygen atom ( a colorless, odorless reactive gas) the molecule copper oxide forms. What are the properties of copper oxide?
a black crystal
500
When one carbon atom (a nonmetal that has two main forms, diamond and graphite) combines with one oxygen atom (a colorless, odorless reactive gas) the molecule carbon monoxide forms. What are the properties of carbon monoxide?
a poisonous, colorless, odorless, and tasteless gas
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