Form 2 Electricity

what is the unit for energy?

• newton

• joule

• force

• volt

• ampere

What type of energy is stored in an object due to its high position?

• Gravitational potential energy
• Elastic potential energy
• Kinetic energy
• Electrical energy

Tags

NGSS.MS-PS3-2

What type of energy is stored in an object that is compressed, stretched or bent?

• Gravitational potential energy
• Elastic potential energy
• Kinetic energy
• Electrical energy

what is the energy change for a burning candle?

• chemical energy → light energy

• chemical energy → heat energy + kinetic energy

• light energy → heat energy + chemical energy

• chemical energy → light energy + heat energy

Tags

NGSS.MS-PS1-2

energy __________ be created and destroyed.

• can

• cannot

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

which one is renewable energy?

(there is more than 1 answer)

• fossil fuel

• water

• solar

• radioactive substances

• wind

Wind turbines and windmills convert (or change) what energy to another?

• Kinetic to electric

• Gravitational potential to electric

• Mechanical to potential

• Thermal to sound

What happens to a plastic ruler after it is rubbed with a woollen cloth?

• Transfer of electrons
• Transfer of protons
• Transfer of neutrons
• Chemical reaction

What is produced on a balloon after it is rubbed with a woolen cloth?

• Electrostatic charges
• Electric current
• Voltage
• Resistance

Tags

NGSS.MS-PS2-3

What is the result of the force of attraction that exists between the positive charges on the ground and the negative charges in the clouds?

• Lightning
• Thunder
• Whirlpool
• Cyclone