Physical Changes A
Physical Changes B
Review
Chemical Changes A
Chemical Changes B
100
This kind of change occurs when matter changes states.
What is a physical change?
100
A change in some properties of matter withour forming a new kind of matter
What is a physical change?
100
This type of element can be bent without breaking.
What is metal?
100
Photosynthesis is a process in which plants use water and this gas to make a new substance; sugar.
What is carbon dioxide?
100
A common chemical change is when rust is formed from this metal.
What is iron?
200
These changes can break rocks.
What are temperature changes?
200
A decrease in temperature makes this state of matter shrink.
What is gas?
200
The only metal that is liquid at room temperature.
What is mercury?
200
You can tell that a chemical change is happening when bubbles begin to appear; signaling that this is forming.
What is a gas?
200
A change of one or more types of matter into a other types of matter with different properties.
What is a chemical change?
300
This candle material turns back into a solid when it cools off
What is wax?
300
These include melting, breaking, twisting and ripping.
What are physical changes?
300
The compound, table salt, is made from these two elements.
What are sodium and chlorine?
300
This causes a chemical change to happen more slowly.
What is lower temperature?
300
Rust, old yellowed papers and this sweetener are examples of chemical changes.
What is sugar?
400
This affects the physical change of an object by making it easier or harder for the physical change to occur.
What is temperature?
400
This is water that has gone through a physical change
What is ice or water vapor?
400
This word means the degree to which a material will dissolve in another substance.
What is solubility?
400
A chemical change happens when these tiny things rearrange themselves to form a new substance.
What are atoms?
400
This causes a chemical change to happen more quickly.
What is higher temperature?
500
Physical changes sometimes DON'T happen because of this.
What is temperature?
500
This happens with rubber gets cold
What is it becomes less elastic?
500
Both diamonds and graphite are made up of which type of element?
What is carbon?
500
When a candle goes through a chemical change, this and this are released.
What are light and heat?
500
One way to slow down the ripening process of fruit is to do this.
What is put it in the refrigerator?
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