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Write the missing layer.

(a)  

What is the core made of?

• Water and Salt

• Iron and Copper

• Iron and Nickel

• Gold and Nickel

Write the symbol of the three most common elements in the Earth's crust

(a)  

The mixture of gases that surrounds the Earth is called

• Solution

• Atmosphere

• Air

• Noble gases

The most abundant gas in the atmosphere is....

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

The process in the image is the...

(a)  

Write a short story (5 lines max) about a water molecule in the water cycle