1) Earth`s surface is covered with..... a) Water b) Hydrogen and helium c) Lava d) Titanium and iron 2) What effect is changing the sustainability of life in Earth? a) Glacial melting b) Extinction of wild life c) Deforestation d) All of the above 3) Earth has 2 moons a) False b) True 4) When did Earth settled into its current layout? a) 4 million years ago b) 5.3 billion years ago c) 4.5 billion years ago d) 6 billion years ago 5) Earth travels ...... miles per .... a) 70,000/day b) 67,000/hour c) 67,000/day d) 500,000/year 6) Did you learn something new with our presentation? a) Yes b) No

Leaderboard

Visual style

Options

Switch template

Continue editing: ?