A push or a pull on an object that causes it to move.
Force
Example of a lever (not a seesaw)
Hammer
If you increase the height of a ramp, is it easier or harder to push an object up the ramp?
Harder
Scientists measure weight in
Grams, Kilograms, Pounds, Stone, Tonne
This is an example of a... (simple machine)
Ramp
The rubbing of one object against another causes this.
Friction
What is attached to a wheel?
Axle
What is Velocity?
Speed and direction of an object
Friction slows down an object's....
Speed
his is an example of a... (simple machine)
Pulley
The force that attracts a body toward the center of a planet.
Gravity
What simple machine would you use to move heavy objects onto the back of a truck?
Ramp or inclined phase
Words like: below, left, right, ahead, beside, and behind gives clues about?
Position
What reduces friction?
Smooth surface
This is an example of a... (simple machine)
Lever
What do simple machines do?
Make work easier.
Which simple machine has a grooved wheel with a rope or a chain that goes around the wheel?
Pulley
How fast an object moves is its.....
Speed
How are Gravity and Friction similar?
Both are forces
Which type of simple machine would help you raise a flag on a flagpole?
Pulley
Which simple machine has a fulcrum as the balance point?
Lever
Example of a pulley simple machine?
Crane
What keeps all the planets in the solar system in orbit?
Sun's gravity
Which type of simple machine is a playground slide?
Ramp
This is an example of a... (name 2 simple machines)
Wheel/axle and lever