Module 4 Space & Earth Self-Check 4

The … of the red planet is rocky.

• Poisons

• Symbol

• Surface

• Turning

Now people are … their attention to Mars.

• Turning

• Damaging

• Exploration

• Habitats

We learnt some very interesting facts about space …

• Pon

• Extinct

• Exhaust

• Exploration

… fumes pollute the air in big cities

• Exhaust

• Damaging

• Endangered

Many animals are in danger of losing their natural …

• Surface

• Poisons

• Animals

Factory waste … our lakes and rivers

• Pon

• Poisons

• Book

We should protect … spices

• Damaging

• T-shirt

• Endangered

What is national … of China?

• Hair

• Symbol

• Flag

Some animals will become … in the next few years

• Habitats

• Bootstrapping

• Teeth

• Extinct

Bad weather is … the old building

• Damaging

• Pencil

• Turning

• Exhaust