The force that makes a paper airplane eventually fall to the ground.
What is gravity.
The force that is needed to move a shopping cart.
What is a push.
Did push or pull forces cause the "hopper" to jump?
What is push forces when you push on the hopper, and pull forces when the rubber band pulls back together.
The pulling force that keeps us on Earth is ______________.
What is gravity
Name 4 materials you used to make sliders.
Cardboard, cloth/fabric, bottle caps, buttons, foam, sandpaper.
Name the two forces are acting on a ball at rest on a table.
What is gravity pushing down and the table pushing up on the ball.
Hitting a tennis ball is a ___________ force.
What is a push force.
What kind of force caused your bridge to fail?
What is a push force from the weight of the pennies.
Name a material that has low friction.
Many possible answers.
The measure of the pull of gravity is ________.
What is weight or mass.
When a magnet pushes another magnet away, we say the two magnets are ___________ one another.
What is repel/repelling
Are paper clips magnets? Explain.
Many possible explanations.