The Earth's Elements

Question 1

What is the crust?

Answer 1

Solid layer of rocks on the surface of the Earth.

The Earth’s crust is the outermost shell of a rocky planet, providing the foundation for continents and ocean floors.

Question 2

Define recycle.

Answer 2

Using a material again, often by melting it and using it to make new objects.

Recycling helps reduce waste and conserve natural resources.

Question 3

What does the term symbol refer to in science?

Answer 3

The letter or letters that represent an element.

For example, ‘H’ is the symbol for hydrogen and ‘O’ is the symbol for oxygen.