Energy Basics
What is energy?
The ability to do work or cause change
Energy moving from an object to another is called...
Kinetic energy.
What energy makes a lightbulb shine?
Electrical > Light
Heat always moves from ___ to ___.
Hot > Cold.
Name one simple machine that transfers energy
Cars, lights, phones, etc.
Name ONE form of energy we use everyday
Light, sound, heat, etc.
What type of energy is stored in food?
Chemical energy.
True or False: Light energy travels through waves.
True.
When you clap, what energy is made?
Sound and heat
When you push a domino and it knocks another, what happens to the energy?
It transfers from one domino to the next.
True or False: Energy can be created and destroyed.
FALSE. It only changes form.
What do we call it when two objects hit each other and transfer energy?
Collision.
Name 3 energy types found in a kitchen
Heat energy(oven), light energy(lightbulbs), sound energy(microwave)
How does energy change when an object falls? It changes from ______ energy to ______ energy
Potential energy to kinetic energy
What energy transfer happens when a windmill makes electricity?
Kinetic of wind → Mechanical → Electrical)
What type of energy do we get from the sun?
Solar/Light energy
What energy transfer is happening when you play the drums
Kinetic energy > sound energy
When you eat food, your body changes energy from ___ into ____?
Chemical energy > Kinetic energy.
What kind of energy travels through waves?
Light energy / sound energy.
In a roller coaster, where is potential energy the highest?
At the top of the hill
Explain what happened to energy when we rub our hands together.
Mechanical >>> Heat energy
Give an example of how electrical energy changes into sound energy.
Speakers, phones, TV's , etc...
Describe two different energy transfers in a cellphone.
Electrical → Sound, Electrical → Light, etc.
Explain how energy is transfered when a bowling ball hits the pins.
Kinetic energy from ball → Kinetic energy in pins
True or False : In a chain reaction machine, energy can move through many steps, but it is never lost — it only changes form.
True.