Energy (5º)

Which of the following is NOT a type of energy?

• Light

• Wood

• Electricity

• Sound

The energy stored in food, fuels and batteries is _______________

• Light energy

• Sound energy

• Chemical energy

• Nuclear energy

When you eat vegetables, your body uses the _______ energy in it,

• Sound energy

• Light energy

• Electrical energy

• Chemical energy

What is the energy of motion that depends on speed and mass?

• Mechanical energy

• Kinetic energy

• Potencial energy

• Chemical energy

What is the energy possessed by water behind a dam, also called stored energy?

• Mechanical energy

• Kinetic energy

• Potencial energy

• Chemical energy

What type of energy is produced due to the movement of tiny particles in it?

• Thermal energy

• Sound energy

• Chemical energy

• Kinetic energy

When you use the iron to press your clothes, the energy trnasformation taking place is

• Chemical energy to electrical energy

• Electric energy to thermal energy

• Thermal energy to electrical energy

• Electrical energy to light energy

In a swimming pool, you dive into the water from a diving board. What energy transformation takes place when you step off a diving board

• Kinetic energy is transformed into potencial energy

• Potencial energy is transformed into kinetic energy

• Hydropower is converted into kinetic energy

• Chemical energy is transformed into kinetic energy

What energy transformation takes place when you burn wood?

• Light energy to chemical energy

• Chemical energy to electrical energy

• Chemical energy to thermal energy and light energy

• Heat energy to light energy

When an electric drill is used, it transforms electrical energy into kinetic energy, thermal energy and sound energy. Identify the lost or wasted energy in this process.

• Kinetic energy and electrical energy

• Kinetic energy and thermal energy

• Kinetic energy and sound energy

• Thermal energy and sound energy