Quiz on Forces and Motion

What is a force?

• A push or a pull
• A type of energy
• A measurement of speed
• A change in direction

What happens when you push against a wall?

• The wall moves
• You feel resistance
• You fall over
• Nothing happens

What do we use to represent forces in our models?

• Circles
• Squares
• Vectors
• Triangles

When two objects interact, what do they exert on each other?

• Energy
• Forces
• Mass
• Speed

What happens to an object when forces are unbalanced?

• It stays still
• It changes shape
• It moves
• Both B and C

In the tower building activity, what helped the towers hold more books?

• Using less paper
• More support pieces
• Making them taller
• Using glue

What is the relationship between stability and balanced forces?

• Stable objects have unbalanced forces
• Stable objects have balanced forces
• All objects are stable
• None of the above

What is an independent variable in a scientific investigation?

• The variable that stays the same
• The variable that is measured
• The variable that is changed
• The variable that is ignored

What happens to the distance a penny travels when more force is applied?

• It travels less
• It travels the same
• It travels more
• It stops

What does cushioning do during a collision?

• Increases damage
• Decreases damage
• Has no effect
• Makes it worse