Name:    5th Grade Physical Science Practice Test 2

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Oxygen is considered a
 a. gas c. solid b. liquid

2.

Molecules in a solid move
 a. much faster than in a gas c. about the same as gas b. much faster than in a liquid d. much slower than a liquid

3.

Molecules that are the furthest apart form a
 a. gas c. solid b. liquid

4.

When ice melts into water it changes from one state to another
 a. solid to liquid c. liquid to gas b. liquid to solid d. solid to gas

5.

If you pour water into a container of oil and shake it up you will have a(n)
 a. element c. mixture b. compound

6.

Pure silver is not chemically combined with other substances and is an example of a(n)
 a. element c. mixture b. compound

7.

The handles on this simple machine are used as a
 a. lever c. gear b. pulley d. loader

8.

Which simple machine would be best/easiest to use to get the hay to the storage loft at the top of the barn?
 a. wheel c. pulley b. lever d. incline

9.

Which idea below best explains why we slip on ice?
 a. water is slippery c. there is little friction b. our speed is too great d. ice is cold

10.

In outer space, objects can travel “forever” with just one push.  The reason for this is:
 a. space is empty of roads/paths c. the force of  “pushes” are greater in outer space b. there is no air to cause friction d. energy from the sun is not filtered by the atmosphere

11.

What can you logically predict about the speed of a car that has run out of gas as it travels down a road ?
 a. It will slow down due to the friction of the wind c. it will go backwards as friction decreases b. it will go faster as the wind reduces friction d. it will stop by pushing equally against the force of the wind

12.

In this picture, the physical properties of the ice are changing to _____.
 a. liquid c. solid b. steam d. opaque

13.

In which item below are the molecules the furthest apart?
 a. steel c. liquid b. soda d. gas

14.

1)        2)        3)      4)
In which substance above are the molecules moving the fastest?
 a. 1 c. 3 b. 2 d. 4

15.

In which item below would you find the fastest moving molecules?
1)      2)        3)     4)
 a. 1 c. 3 b. 2 d. 4

16.

Which item below has a permanent shape?
1)      2)        3)     4)
 a. 1 c. 3 b. 2 d. 4