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?

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Answer explanation

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

Match the following

• the study of climate

• humidity

• the study of weather

• weather

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

• meteorology

• state of the atmosphere in a particular place

• climatology

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

• 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)