1) How many million years old do scientist estimate the Earth is? a) 14000 b) 12000 c) 4000 d) 1000 2) Which of these is the names of the parts of the earth in the correct order from centre of the earth to the edge. a) mantle, core, crust b) crust, core, mantle c) mantle, crust core d) core, mantle, crust 3) Erosion changes the earth's surface over time. How can layers of rock tell us about the age of rocks? a) Like trees you count the rings b) The oldest rocks are at the bottom of the layers c) The further it has travelled the older it is 4) Why is folds in rocks further evidence of rocks age? a) You would need a large force over long time to make them b) As they occur at bottom of cliffs c) They suggest rocks have changed over time 5) Fossils found in rocks and what else can provide evidence of the age of the earth? a) Trees b) Photographs c) Radioactive dating d) DNA evidence 6) The crust is made of tectonic plates. What in the mantle can cause them to move by making magma rise? a) Radiation b) Convection Currents c) Conduction Currents d) Convent currents 7) What evidence finally convinced the scientific community that Alfred Wegener was correct with his continental drift theory? a) Seafloor Spreading b) Jigsaw of continents c) A land bridge d) Same fossils on different continents 8) Which of these is one of the reason the scientific community didn't except in the first place? a) They didn't like his name b) They said that the data could be explained by another explanation such as a bridge that had eroded away. c) He wasn't a geologist he was a shop assistant 9) At plate boundaries you will find volcanoes and mountains. What two other geohazards may occur here? a) Earthquakes and mudslides b) Earthquakes and Hurricanes c) Earthquakes and Tsunamis d) Earthquakes and Tornados 10) Where does sea floor spreeding occur? a) Oceanic ridge b) In the middle of the atlantic ocean c) Near the equator d) In the mantle 11) The Sun in 500 million years old but how old is the Solar System? a) 4500 million years b) 5000 million years c) 12000 million years d) 14000 million years 12) The Sun's energy comes from Nuclear fusion of which gas? a) Hydrogen b) Helium c) Nitrogen d) Oxygen 13) What is approximately 14 000 million years old? a) The Earth b) The moon c) The sun d) The milky way e) The Universe 14) Brightness of a star and a parallax can be used to measure the distance of a star in space. In a parallax the closer the star is .... a) the less it moves b) the more it moves 15) Which of these is correct going from smallest to largest? a) moon, earth, milky way, sun, universe b) earth, milkyway, sun, moon, universe c) sun, earth, moon, milkway, universe d) moon, earth, sun, milky way, the universe 16) When a star runs out of hydrogen it swells, and becomes colder this is called a ... a) White dwarf b) Red Giant c) Supernova d) Neutron star 17) the Milkway is 2.2 million light years away, what is a light year? a) The distance light travells in a one year b) 300 000 km/s c) Really big d) The distance it takes from light from the sun to reach the earth 18) Galaxies are moving away from us a) True b) False 19) The Big Bang theory provides explanations for how the universe started including it started with a huge explosion and .... a) There was a noise b) It is continuing to expand c) It was a chemistry experiment that went wrong d) It started on a Monday 20) The fate of the universe is hard to predict as scientist find it difficult to measure its .. a) force b) mass c) height d) size

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