Energy Transfer
What is energy transfer?
The movement of energy from one object or place to another.
What is energy transformation?
The change of energy from one form to another.
What is a collision?
When two objects bump into each other.
What is a wave?
A repeating pattern that transfers energy through matter or space
Name one way people transfer information.
Talking, writing, texting, etc
What type of energy is transferred when you touch a hot pan?
Thermal energy
Name the two energy transformations in a flashlight.
Chemical to electrical to light
What happens to energy during a collision?
It is transferred between the objects.
What type of wave helps us hear sounds?
Sound waves
What kind of wave does a cell phone use to transfer information?
Radio waves
True or False: Energy can be transferred through sound.
True
What kind of energy transformation happens in a microwave?
Electrical to thermal
Only moving objects can collide.
False
Waves only move through water.
False
Give an example of animals using sound to transfer information.
Dolphins using clicks, birds singing
What form of energy transfer happens when the Sun warms the Earth?
Radiation
How does a toaster use energy transformation?
Electrical energy transforms to thermal energy
What affects how much energy is transferred in a collision?
Speed and mass of the objects
What is a vibration in a wave?
A back-and-forth motion that creates the wave
What sense do humans mostly use to read written information?
sight
Explain how energy is transferred when you kick a soccer ball.
Kinetic energy from your foot is transferred to the ball
How does energy transfer in a food chain, starting from the Sun?
The Sun gives energy to plants (producers) through sunlight, plants transfer energy to herbivores when eaten, and herbivores transfer energy to carnivores when they are eaten.
Why do cars have bumpers in a crash?
To absorb energy and reduce damage.
What type of wave allows you to see objects around you?
Light
What technology uses fiber-optic cables to transfer digital information using light?
Internet