Science, Sept. 8-12

The​ (a)   states: Energy cannot be created or destroyed, only changed from one form to another.

• Law of Conservation
• Law of Conversation
• Law of Energy Use
• Conservation of Law

Which of the following is an example of electrical energy being transformed into radiant energy?

• A ball rolling down a hill.

• A windmill turning in the breeze.

• A flashlight being used on a camping trip.

• A parked bicycle locked in a bike rake.

​ (a)   energy transformation happens when you plug in a toaster and use it to make toast.

• electrical to thermal
• radiant to thermal
• thermal to thermal
• thermal to electrical

When Angelina turns on the ceiling fan, electrical energy is transformed into ​ (a)   energy.

• mechanical
• electrical
• radiant
• chemical

A solar-powered calculator transforms thermal energy into (a)   energy.

• radiant
• chemical
• thermal
• light

Which of the following devices transform electrical energy

into more than one form of energy?

• 
• 
• 
• 

A microwave starts with (a)   energy, which is transformed into (light) ​ (b)   energy then absorbed by the food and transformed into (c)   energy that heats the food.

• electrical
• radiant
• thermal
• mechanical
• chemical

Correctly label the types of input and output energy.

a

b

Chemical

Mechanical

Radiant

Electrical

Thermal

Match the term with the correct meaning.

• an informed decision that can be tested

• dependent variable

• variable that is measured in an experiment

• transformation of energy

• variable that I changes in an experiment

• independent variable

• changing one form of energy to another

• hypothesis

Energy is the ability to do ​ (a)   or to cause change.

• work
• change
• workload
• energy