Energy Transfer Evidence
Grade 4 Science Worksheet - Building Confidence

Circle the answer.
Your hands feel warm near a campfire. What energy made them warm?
- sound
- heat
- cold
A pulled-tight string joins two paper cups. A friend talks into one cup and you hear her in the other. How does the energy travel?
- as heat in the string
- as electric current in the string
- as vibrations along the string
A buzzer is joined to a battery. Which is evidence that electric current is flowing?
- the wires turn green
- the battery gets bigger
- the buzzer makes a sound
A battery is joined to a small bulb by two wires and the bulb lights. What carried the energy to the bulb?
- electric current in the wires
- heat from your hand
- sound in the wires


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