1) Complete the sentence: Earth is the ________ planet from the Sun. a) 2nd b) 3rd c) 4th d) 5th 2) True or False: Earth’s shape is a perfect sphere a) True b) False 3) What percentage of Earth's surface is covered in water? a) 21 % b) 31% c) 51% d) 71% 4) What is the process called when water vapour forms clouds? a) Condensation b) Evaporation c) Melting d) Freezing 5) What gas makes up most of the air we breathe? a) Oxygen b) Nitrogen c) Carbon dioxide d) Water 6) What is the outermost rocky layer of the Earth called? a) Crust b) Mantle c) Core 7) What is Earth's global population? a) 7.8 million b) 6.5 million c) 7.8 billion d) 6.5 billion 8) Coal is formed from what dead material? a) Plant b) Sea creature c) Rock d) Pottery 9) What would you call the energy sourced from the Sun? a) Hydro- b) Electric- c) Geothermal- d) Solar- 10) How long does it take a plastic bottle to fully break down? a) 775 years b) 450 years c) 125 years d) 10 years

Y7 Earth's Resources: Introduction

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