Science Review #5

If you step on the scale to weigh your self what are you measuring?

• a force that repels

• the student’s mass

• a force that pushes

• the force of gravity

Which two magnets are attracting each other?

• 2 and 3

• 3 and 4

• 4 and 5

• 1 and 2

Kicking a ball will most likely change all of the following EXCEPT-

• its mass

• its speed

• its position

• its motion

What will happen if an equal amount of force is being used by each student?

• They will fly in the air.

• They will move towards the left.

• They will move towards the right.

• They will stay in the same place.

Based on the data from the chart. Which of the student’s conclusions are correct about the experiment?

• Student 1 – It takes the same amount of force to move both water bottles.

• Student 2 – It takes more force to move less mass.

• Student 3 – It takes more force to move more mass.

• Student 4 – There is not enough information to make a conclusion.

If the top ball rolls down and hits the bottom ball, which arrow shows the direction the ball will travel?

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Which arrow shows the direction of motion of the tire as it is being rolled in the picture?

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Which additional tests will produce results that can be most trusted?

• Roll a DIFFERENT toy car down each ramp TWO times

• Roll the SAME toy car down each ramp FIVE times.

• Roll FIVE DIFFERENT toy cars down the ramp with two books, TWO times

• Roll FIVE DIFFERENT toy cars down the ramp with two books, FIVE times.

What force is most likely to cause a baby that is thrown into the air to return to the ground?

• gravity

• friction

• push

• magnetism

Which set of magnets shown below will attract or pull the magnets together?

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