Week 14

Front

What is sound?

Back

Sound is a type of mechanical energy that is transmitted in the form of waves.

Front

What is the most appropriate unit to measure the distance of a road?

Back

The most appropriate unit to measure the distance of a road is meters.

Front

What part of an electric circuit is essential for it to function?

Back

The source of electric current is essential for an electric circuit to function.

Front

What tool would you use to measure the volume of water absorbed by a sponge?

Back

A graduated cylinder or measuring cup would be best to measure the volume of water absorbed by a sponge.

Front

How is Earth different from other planets?

Back

Earth is different because it has a breathable atmosphere.

Front

What are waves?

Back

Waves are disturbances that transfer energy from one place to another without transferring matter.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What is the function of a load in an electric circuit?

Back

The load in an electric circuit converts electrical energy into other forms of energy, such as light or heat.

Front

What is the role of an on/off switch in a circuit?

Back

An on/off switch controls the flow of electric current in a circuit.

Front

What is the atmosphere?

Back

The atmosphere is a layer of gases surrounding a planet, which is essential for life on Earth.