Y7 Energy end of unit

Which of the following are stores of energy?

• Kinetic, Potential, Thermal, Chemical, Nuclear

• Kinetic, Electrical, Sound, Light, Magnetic

• Potential, Sound, Light, Thermal, Electrical

• Chemical, Nuclear, Sound, Light, Magnetic

Name the 4 energy pathways.

• Mechanical, Electrical, Thermal, Waves

• Chemical, Nuclear, Gravitational, Elastic

• Conduction, Convection, Radiation, Evaporation

• Kinetic, Potential, Thermal, Chemical

The Law of Conservation states that:

• Energy cannot be created or destroyed, only transformed.

• Matter can be created and destroyed.

• Energy can be created from nothing.

• Matter and energy are unrelated.

Define thermal (internal) store.

• A device that stores thermal energy for later use.

• A system that converts thermal energy into electrical energy.

• A process of transferring heat from one place to another.

• A method of measuring temperature changes in a system.

Define elastic potential energy store.

• The energy stored in an object due to its position in a gravitational field.

• The energy stored in an object when it is stretched or compressed.

• The energy stored in an object due to its motion.

• The energy stored in an object due to chemical bonds.

What is gravitational potential energy store?

• Energy stored due to an object's position in a gravitational field

• Energy stored in the bonds of chemical compounds

• Energy stored in the motion of an object

• Energy stored in the form of heat

Define kinetic energy store.

• The energy stored in an object due to its motion.

• The energy stored in an object due to its position.

• The energy stored in an object due to its temperature.

• The energy stored in an object due to its chemical composition.

Define chemical energy store.

• A form of energy stored in the bonds of chemical compounds.

• Energy stored in the nucleus of an atom.

• Energy due to an object's position or motion.

• Energy that travels in waves.

Define energy transfer.

• The process of energy moving from one place or object to another

• The creation of energy from nothing

• The destruction of energy

• The storage of energy in a system

The unit of measurement for energy is:

• Newton

• Joule

• Watt

• Pascal