Earth's Materials Lesson 1-5 Revision

Which gas turns limewater cloudy/milky?

Which gas burns with a pop?

Which gas relights a glowing splint?

Which gas makes up ?70% of our atmosphere?

How much of our atmosphere does Oxygen make up?

What is the burning process called?

Reactions which release heat are:

Which gas isn't responsible for global warming?

Which gas leads to acid rain?

Deforestation is a problem because

Which of these isn't a type of renewable energy

What type of micro-organism is used to make beer and bread by fermentation?

During fermentation, glucose is used to make ethanol and what other gas?

Distillation separates liquids by their...

Sandstone is commonly used for buildings. It is made from sand compressed over many years.

What type of rock is sandstone?

Slate can be used in roofing. Slate is made from another rock when heat and pressure compress and alter minerals in it. What type of rock is slate?

Granite has large crystals as it is made when magma cools slowly. It is used commonly for kitchen work surfaces and floor tiles. What type of rock is granite?

Limestone is used in forming cement. It is formed from the remains of billions of tiny sea creatures which have been pressed together and compacted below the ocean floor.

What type of rock is limestone?

How do you feel you understood today's work?

Which did you like better?