KS3 Y8 End of Unit 5 Questions

What is the label for A?

• proton

• neutron

• electron

• nucleus

What is the label for B?

• proton

• neutron

• electron

• nucleus

What is the label for C?

• proton

• neutron

• electron

• nucleus

What is the label for D?

• proton

• neutron

• electron

• nucleus

Gold jewelry is marked to tell you how pure the gold is. Which is the marking that has the most gold?

• 15 carat gold

• 9 carat gold

• 18 carat gold

• 25 carrot gold

Pure diamond is made up of carbon atoms arranged in a particular way.

How do pure diamonds differ from diamonds that contain other elements?

Answer explanation

Pure diamonds are colourless and translucent, whereas those with other elements in them are coloured.

Match the following

• state of the atmosphere in a particular place

• weather

• the study of weather

• climatology

• the measure of the amount of water vapour in the atmosphere

• meteorology

• the weather conditions prevailing in an area in general and over a long period

• humidity

• the study of climate

• climate

What was the average global temperature between 330 and 280 years ago? __degrees Celsius (enter a number)

From 330 and 280 million years ago... what was this period known as?

What was the average global temperature 100 million years ago? ___ degrees celsius (enter a number)