Force, Motion, And Simple Machines Question Preview (ID: 26650)


2nd Grade Physics. TEACHERS: click here for quick copy question ID numbers.

What is force?
a) To push something
b) To fall towards the Earth
c) The power to move an object or change its direction
d) A sloping ramp

What is gravity?
a) The pull of objects to the earth
b) To float in space
c) To be able to move an object
d) To keep something from moving smoothly

What happens to a ball if you toss it.
a) It keeps moving
b) It floats away
c) It doesn't move
d) It falls to the ground

Without gravity we would?
a) nothing would change
b) float away
c) fall over
d) be able to jump higher

What does friction do?
a) It keeps a force from happening
b) helps things move faster
c) It stops gravity
d) It allows things to float

This simple machine has a slope?
a) catapult
b) inclined plane
c) wheel and axel
d) screw

This simple machine has a bar and fulcrum?
a) wheel and axle
b) inclined plane
c) lever
d) gravity

What simple machine has a pivot point that allows it to move?
a) inclined plane
b) pulley
c) lever
d) wheel and axle

Why can astronauts float in space?
a) there is gravity in space
b) there is no gravity in space
c) they weight less
d) they have special machines

What caused the acorn to fall down and hit chicken little in the head?
a) gravity
b) force
c) friction
d) work

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