1) What is between sugar molecules? (hard) a) atoms b) air c) fairy floss d) a vacuum 2) How many atoms is a sugar MOLECULE made of? (hard) a) 4 b) 5 c) 45 d) 540 e) 4,500 3) How many KINDS of atoms in the world? a) 1 b) 92 c) thousands d) millions e) billions f) trillions 4) About how many atoms in a sugar GRAIN?  (hard) a) 50 thousand b) 50 MILLION c) 50 million TRILLION 5) How wide is a hydrogen atom? (very hard) a) a TENTH of a metre (1/10th metre) b) a ten THOUSANDTH of a metre (1/10,000th metre) c) a ten MILLIONTH of a metre (1/10,000,000th metre) d) a ten BILLIONTH of a metre (1/10,000,000,000th metre) 6) How wide is a hydrogen atom? (very very hard) a) a tenth of a millimetre b) a tenth of a micrometre c) a tenth of a nanometre d) a tenth of a picometre

Video 3 B

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