Vocabulary
Transfer
To move energy from one object to another
What problems are the engineers trying to solve in this unit?
Help people who have lost access to energy or energy system solutions for the rescue team
What is energy?
The ability to make things move or change.
What is evidence?
Information that supports a claim
What is one way people use energy everyday?
Turning on lights, charging a phone, cooking...
Convert
To change energy from one form to another
What's one way engineers can store energy for later use?
Batteries or other energy storage devices
What happens when energy is transferred from one object to another?
The first object would lose energy while the second would gain energy.
What is reasoning?
Explaining why the evidence supports the claim.
Why is renewable energy important?
It doesn't run out and it's better for the environment.
Generator
A device that turns motion into energy
Why do engineers test prototypes
To see if their design works or how they can improve them
What type of energy does a moving object have?
Kinetic energy
Give one piece of evidence that food gives humans energy.
People can move and stay warm after eating
What's one example of human energy harnessing in sports?
Using food energy to power muscles during running.
System
A set of parts that work together to do something
What type of energy transfer happens when a hand crank charges a phone?
Mechanical energy is transformed to electrical energy
What type of energy is stored in food?
Chemical energy
Why is it important to use multiple pieces of evidence?
It makes your claim stronger and more reliable.
How does a solar panel harness energy?
It transforms sunlight into electrical energy.
Evidence
Facts or data to support a claim or scientific explanation
What is an example of an energy efficient device?
Solar charger, wind turbine, or hand crank flashlight.
True or false?
Energy can be created and destroyed.
False. It can be transferred or transform
How do scientists test their ideas about energy?
Through experiment and careful observation
or using the scientific method.
What might happen if a community lost power for one week?
People would need alternate energy sources for food, heat and light.