1, Which of following phase changes refers to sublimation

A, gas to solid
B, gas to liquid
C, solid to liquid
D,solid to gas

2, As time goes by and water goes through the water cycle again , the amount of water on Earth.

A,increases
B,decreases
C,stays the same
D goes up and down

3, When water evaporates, it changes into a

A,solid
B,liquid
C, mixture
D, gas

4, The. is an example of a chemical change.

A,Freezing of water
B,burning of paper
C,melting of chocolate
D,salting of food

5,Which is NOT a clue that could indicate a chemical change?

A,change in color
B,change in shape
C,melting
D,change in odor

6, A glass of water collects water droplets on the outside on a hot summer day.
This is an example of what phase change?

A,vaporization
B,sweating
C,melting
D, condensation

7, Adding energy to a substance makes its particles move.

A,the same
B,none of the above
C,faster
C,slower

8, On a cold day, a person can see their. This is an example of what phase change?

A,melting
B,vaporization
C,faster
D,condensation

9, To change a solid to a liquid, What do you add?

A,heat
B,temperature
C,water
D,mass

10, Which change cannot be easily be reversed?

A,chemical
B,physical change
C, Both a physical and chemical change
D, Neither a physical nor chemical change

​