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WorksheetsScience CFA # 3: Form of Energy, Conductors & Insulators
Total questions: 10
Worksheet time: 38mins
When you sharpen your pencil, you are using what type of energy?
A. sound
B. light
C. thermal
D. mechanical
what form of energy operates the refrigerator?
A. electrical
B. mechanical
C. sound
D. thermal
What source of energy does the Sun provide?
A. sound
B. light and heat
C. mechanical
D. solids and liquids
what type of energy causes ice cream to melt?
A. thermal
B. light
C. sound
D. mechanical
Is this a heat, light, or sound source?
A. heat
B. light
C. sound
D. electrical
A handle on a frying pan is often coated in rubber because rubber provides...
A. heat insulation
B. a low melting point
C. heat conductivity
D. a nonstick surface
Why are metals useful in making electrical wires?
A. metals do not bend
B. metals are insulators
C. metals hold much heat
D. metals are conductors
Which of the following is an example of an insulator?
A. wooden block
B. penny
C. nail
D. paper clip
What is energy?
A. heat
B. light
C. the ability to do work
D. gas
What is an insulator?
A. a materials that stops the flow of heat and electrical energy.
B. a material that allows the flow of heat and electricity.
C. material made of metals such as copper, steel and iron.
D. materials that allow sound waves to travel through the air.
