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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