Science Quiz on Earth and Materials

What are tectonic plates?

• Large pieces of rock that make up the Earth's crust

• Layers of molten rock deep inside the Earth

• A type of rock found only in volcanoes

• A type of earthquake

Which layer of the Earth do tectonic plates float on?

• Outer core

• Mantle

• Crust

• Inner core

What natural events are caused by the movement of tectonic plates?

• Earthquakes and volcanic eruptions

• Rain and windstorms

• Hurricanes and tornadoes

• Tsunamis and floods

Which of the following provides evidence that continents were once connected?

• The discovery of ancient cities

• The jigsaw-like fit of continents and similar fossils found on different continents

• The presence of deserts in different parts of the world

• Changes in ocean currents

What is the name of the supercontinent that existed millions of years ago?

• Gondwana

• Laurasia

• Pangaea

• Eurasia

Which property is common in most metals?

• Poor conductivity

• Malleability

• Low density

• Brittle structure

Why are metals used to make electrical wires?

• They are shiny

• They are poor conductors of electricity

• They allow electricity to pass through them easily

• They rust in water

Which metal is resistant to rusting?

• Iron

• Aluminium

• Copper

• Zinc

Which of the following is a non-metal?

• Copper

• Aluminium

• Sulphur

• Iron

Non-metals tend to be:

• Malleable and conductive

• Brittle and poor conductors

• Hard and shiny

• Heavy and good conductors