Energy Heat and Light 4th grade

The roof of a house does not let any light through.  The roof is made of materials that are:

• transparent
• opaque
• Translucent
• Electromagnetic

When light bends it is called:

• Refraction
• Reflection

Light and Heat are both forms of 

• Radiant Energy
• Static Electricity
• Chemical Energy
• Magnetic Energy

What happens when light strikes a clear glass window?

• Most of it bounces off
• All is reflected
• Passes through and is bent
• Most passes through unbent

What kind of material is wood?

• transparent
• translucent
• opaque
• reflective

Glass, water, and clear plastic allow most light to pass through.  Which word best describes these objects?

• Transparent
• Refractive
• Translucent
• Opaque

What energy conversion is involved in the operation of a toaster?

• Electrical to heat
• Electrical to light
• Chemical to heat
• Light to heat

If your hands are cold what is the best way to warm them up?

• hold them above your head
• shake them
• spread your fingers apart
• rub them together

Heat is......

• The movement of energy from warm to cold
• stored energy found in fuels
• the temperature of a material
• the same as light energy

Heat is the flow of......

• chemical energy
• nuclear energy
• electrical energy
• energy