Energy
The ability to do work is called....?
Energy
This makes work easier to do. What is it?
A machine
All moving objects have this.
Kinetic Energy
How quickly an object moves is called?
Speed
A push or pull is called a what?
Force
Energy in motion is called...?
Kinetic Energy
A Doorknob and Ferris wheel are both examples of this simple machine.
A wheel and axle
What is done when a force moves an object or changes an object's motion?
Work
A pulling force between two objects.
Gravity
Stored energy that is ready to be used.
Potential Energy
What is a fixed point called?
Hint: A lever is a straight bar that moves on a fixed point.
Fulcrum
The change or position of an object
Motion
Straight line, Round and round, Zigzag, and Back and forth are all types of what?
Motion
The force that occurs when one object rubs against another.
Friction
Simple machines are machines with few or no moving parts. A compound machine is two or more simple machines put together.
Is picking up a book considered work? Yes or No.
Yes.
The amount of space between two objects or places.
Distance
Humans get most of their energy from what?
Food
List the six (6) types of simple machines.
1. Lever
2. Pulley
3. Wheel and Axle
4. Inclined Plane
5. Screw
6. Wedge
Give two examples of work.
Playing an instrument.
Jumping Rope.
Playing.
Doing schoolwork.
Planting flowers or trees.
Words such as over, under, left, right, on top of, beneath, and next gives clues about what?
Position