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From the time of dinosaurs to mysterious materials, this week’s quiz is a real brain bender. Time to test your knowledge!

Results

Congratulations! You’re a real science whiz!

Oh dear! Better brush up before the next quiz!

#1. During the time of the dinosaurs, was the Sun brighter, dimmer or the same as now?

Millions of years ago, when dinosaurs roamed Earth, the Sun was slightly less bright.

#2. What is amber made of?

Amber is fossilised tree sap.

#3. What is an alloy?

An alloy is a mixture of two or more metals.

#4. How many micrometres are there in a millimetre?

There are 1000 micrometres in a millimetre.

#5. Where in our bodies are red blood cells made?

Red blood cells are made by bone marrow, the softer tissue inside large bones.

Was I right?

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