REVIEW G3.UNIT 3.SCIENCE

A ball is moving down the hill towards you but then your friend kicked the ball away from you. This resulted to a _________.

• change in direction

• change in shape

• change in size

• change in color

Joe was playing on a seesaw with his friend. He wants to show balanced forces. What should he do?

• Have just his friend sit on one side.

• Joe should just sit on one side.

• Joe should sit on one side and his friend should sit on the other side.

• They should both sit on one side.

A rocket ship has which pattern of motion?

• up and down

• back and forth

• zigzag

• circular

A snake has which pattern of motion?

• up and down

• back and forth

• zigzag

• circular

A rocking chair has which pattern of motion?

• up and down

• back and forth

• zigzag

• circular

A merry-go-round has which pattern of motion?

• up and down

• back and forth

• zigzag

• circular

Which choice below has an unpredictable pattern of motion?

• a swing

• a rabbit

• a person jumping with a jump rope

• a mechanical pencil

When conducting an experiment with pendulums what did we learn?

• the longer the string the less swings it made

• the longer the string the more swings it made

• the shorter the string the less swings it made

• the length of the string did not matter

Sam ran around the track. He ran the same speed each time he went around the track. Here is his data:

1 lap = 10 min

2 laps=20 min

3 laps=30 min

What time will Sam finish the 4th lap?

• 30

• 40

• 50

• 20

A pendulum with length of rope 15 cm had 60 swings. A pendulum with length of rope 60 cm had 30 swings. How many swings would a rope of 30 cm make?

• 0 swings

• 45 swings

• 15 swings