Energy
Energy is the ________ to do _________.
What is
ability and work
What is Newton's First Law of Motion?
a body at rest will remain at rest, and a body in motion will remain in motion unless acted upon by an external force.
Which law states:
For every action, there is an equal and opposite reaction.
Newton's Law of Motion #3
Name the six simple machines
wheel and axle, inclined plane, wedge, screw, lever, and pulley
What is Mrs. Van's favorite football team?
The Ravens
What are the two types of energy and their definition
Potential-at rest
Kinetic-in motion
Gravity is a type of force
TRUE-it pulls objects towards the center of Earth.
________ can be neither created nor destroyed
Energy
Simple Machines make ______ easier and few or no moving parts.
work
True or False: Batteries can store energy
TRUE-we power devices with batteries.
What are some ways that energy can be transfered?
What is:
light, heat, and sound.
What are the types of forces? Name all of them!
friction, gravity, applied, spring, drag, normal (balanced), magnetic, and electric
Which Law states that energy can be transferred to another object or converted into a different form?
The Law of Conservation of Energy
This simple machine part can be found on a car, bike, or skateboard.
Wheel and axle
What is a type of energy that you can see?
light energy is the only form of energy we can see.
What are the forms of potential energy?
What are:
chemical, nuclear, and sound
True OR False: Forces have strength and direction.
TRUE!
Give an example of where energy is transferred to another object.
kicking a soccer ball
bat hitting a ball
domino hitting another domino
force of a thumbtack popping a balloon
screw
Sounds waves can create ________ that you can feel in your body.
vibrations
When playing a guitar, what two forms of energy are combined?
What is:
mechanical and sound energy
Give an example of gravity force.
throwing a ball up in the air
a marble rolling down an incline plane
skiing or snowboarding downhill
State the three laws of the Conservation of Energy
>Energy can be neither created nor destroyed
>It can be transferred to another object or converted into a different form.
>The amount of energy stays the same.
This simple machine can be used to lift object and is made with a wheel on a rope or cable.
Pulley
Which 4th grade teacher is Mrs. Van's neighbor?
Mrs. Sliper