Match the term with the definition. (4 points)
1.
Sublimation
2.
Evaporation
3.
Freezing
4.
Melting
a.
A phase change from a liquid to a gas
b.
A phase change from a solid to a liquid
c.
A phase change from a solid to a gas
d.
A phase change from a liquid to a solid
2.
(02.02 MC)
Burning wood represents a chemical change. (2 points)
True
False
3.
(02.02 LC)
Match the term with the definition. (4 points)
1.
Flammability
2.
Reactivity
3.
Heat of combustion
4.
Compressibility
a.
Measure of how much the volume of matter can decrease under pressure
b.
How easily a substance can be set on fire
c.
Measure of how much heat is given off when a substance is burned
d.
The readiness of a substance to undergo a chemical change
4.
(02.02 MC)
Match the term with the example that shows its definition. (4 points)
1.
Compressibility
2.
Toxicity
3.
Flammability
4.
Heat of combustion
a.
Gas is squeezed into a small container
b.
Gasoline catches fire
c.
The burning of coal releases heat
d.
High lead levels in a lake kill fish
5.
(02.02 MC)
The explosions that take place during a fireworks show are an example of which of the following? (2 points)
Image of fireworks exploding in air
Chemical change
Chemical property
Physical change
Physical property
6.
(02.02 MC)
A plant grows three inches in a month. Why is this a physical change? (2 points)
The size of the plant has changed.
The plant makes energy from the sun to grow the flower.
Heat of combustion from the sun helps grow the flower.
Special structures in the plant react with sunlight to make the flower.
7.
(02.02 MC)
When a cold beverage is placed outside, the gas particles cling to the side of the can and become water droplets. This is due to which change of state? (2 points)
Condensation
Evaporation
Melting
Freezing
1 answer
Here are the answers:
Match the term with the definition:
Sublimation - c. A phase change from a solid to a gas
Evaporation - a. A phase change from a liquid to a gas
Freezing - d. A phase change from a liquid to a solid
Melting - b. A phase change from a solid to a liquid
Burning wood represents a chemical change.
True
Match the term with the definition:
Flammability - b. How easily a substance can be set on fire
Reactivity - d. The readiness of a substance to undergo a chemical change
Heat of combustion - c. Measure of how much heat is given off when a substance is burned
Compressibility - a. Measure of how much the volume of matter can decrease under pressure
Match the term with the example that shows its definition:
Compressibility - a. Gas is squeezed into a small container
Toxicity - d. High lead levels in a lake kill fish
Flammability - b. Gasoline catches fire
Heat of combustion - c. The burning of coal releases heat
The explosions that take place during a fireworks show are an example of which of the following?
Chemical change
A plant grows three inches in a month. Why is this a physical change?
The size of the plant has changed.
When a cold beverage is placed outside, the gas particles cling to the side of the can and become water droplets. This is due to which change of state?
1 answer