Exploring Energy and Motion Concepts

What is the process of separating particles based on their size using a mesh or screen called?

• Screening

• Panning

• Filtering

• Sieving

Which term describes the force that attracts a body towards the centre of the Earth?

• Density

• Gravity

• Kinetic energy

• Gravitational potential energy

What is the term for the amount of matter contained in a given volume?

• Diameter

• Density

• Mass

• Volume

Which of the following is a measure of the distance across a circle through its centre?

• Radius

• Circumference

• Diameter

• Area

What type of energy is associated with an object due to its motion?

• Gravitational potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Which of the following is an example of a simple machine?

• Lever

• Engine

• Generator

• Battery

What is the energy stored in an object due to its position in a gravitational field?

• Kinetic energy

• Gravitational potential energy

• Elastic potential energy

• Chemical energy

Which process involves washing sediment in a pan to separate gold or other heavy minerals?

• Screening

• Panning

• Filtering

• Sieving

What is the term for the transformation of energy from one form to another?

• Energy conversion

• Energy conservation

• Energy dissipation

• Energy storage

Which of the following is NOT a simple machine?

• Pulley

• Inclined plane

• Screw

• Motor