What is an energy transformation?

• Energy disappearing

• Energy changing from one form to another

• Energy being destroyed

• Energy being destroyed

Which energy transformation happens in a light bulb?

• Electrical → Light

• Light → Electrical

• Heat → Chemical

• Sound → Electrical

This device changes energy from electrical into _____

A burning candle changes chemical energy into ... and ...

• sound

• mechanical

• heat

• electrical

• light

Why is energy transformation important for life?

• Because energy disappears after we use it

• Because energy changes into forms we can use every day

• Because energy only exists in one form

• Because energy never moves

Solar panel transforms energy from light to electrical.

• TRUE

• FALSE

A television transforms electrical energy into ... (more than 1 answers)

• sound

• mechanical

• light

• chemical

• elastic

Fireworks exploding transform chemical energy into ..., ... and ...

• sound

• potential

• light

• heat

• electromagnetic

When you clap your hands, which energy transformation happens?

• Mechanical → Sound

• Chemical → Heat

• Sound → Electrical

• Heat → Mechanical

In photosynthesis, plants change:

• Chemical → Heat

• Light → Chemical

• Electrical → Light

• Sound → Mechanical