CHS Progress Check 3 Year 9 Physics

which member of the electromagnetic spectrum is the most ionising?

• x-rays

• gamma rays

• radio waves

• microwaves

which of these describes ionisation?

• the absorption of electromagnetic radiation

• the cause of deafness in humans

• the loss or gain of an electron from an atom

which part of the electromagnetic spectrum can pass through the Earth's atmosphere and can be used for mobile phone signals?

• radio waves

• microwaves

• infra red radiation

• visible light

which part of the body absorbs the most x-rays?

• bone

• muscle

• ligaments

• skin

Complete the sentence. When electromagnetic radiation is absorbed by an atom

• the atom becomes hotter

• the atom vibrates more

• electrons move up to a new energy level

• electrons spin round the nucleus faster

which member of the electromagnetic spectrum increases the risk of skin cancer?

• visible light

• ultra violet rays

• x-rays

• gamma rays

Which two members of the electromagnetic spectrum are used for communication. Tick more than one box.

• microwaves

• radio waves

• ultra violet rays

• x-rays

Which member of the electromagnetic spectrum transfers heat energy?

• x-rays

• infra red radiation

• visible light

• microwaves

what is the name of the box?

• Leslie cube

• infra red box

• IR cube

• Rubik's cube

what is the dependent variable in the investigation?

• the surface temperature

• the distance from the cube

• the temperature of the water in the cube

• the type of surface