GL practice

What type of force is magnetism?

• Contact

• Non- contact

Solids, liquids and gases are called the three states of matter. Rain is an example of a __________ .

• solid

• Liquid

• Gas

Current is the rate of flow of charge or __________ around a circuit.

• Particles

• Lamps

• Electrons

• Cells

What will the resistance of the wire be when the length is 88 cm?

• 3.6

• 2.6

• 4.6

• 5

What unit is electrical resistance measured in?

• Amps (A)

• Volts (V)

• Ohms (Ω)

Which famous scientist discovered gravity?

• Newton

• Galileo

• Hawking

• Einstein

As the size of a parachute increases, what will happen to the amount of air resistance acting on it?

• The amount of air resistance will increase.

• The amount of air resistance will decrease.

• The amount of air resistance will stay the same.

What is a physical change?

• A change of state

• A rearrangement of the atoms from the reactants to form the products

During the industrial revolution, many people and manufacturers used coal fires. Coal fires give off a black substance called soot, which coated the outside of buildings. Soot consists of small particles of __________.

• Coal dust

• Carbon

• Carbon dioxide

Global warming is the gradual increase in the average ____________ of the Earth.

• Pressure

• Carbon

• Temperature