The Earth's Elements Flashcards
1
Q
What is the crust?
A
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.
2
Q
Define recycle.
A
Using a material again, often by melting it and using it to make new objects.
Recycling helps reduce waste and conserve natural resources.
3
Q
What does the term symbol refer to in science?
A
The letter or letters that represent an element.
For example, ‘H’ is the symbol for hydrogen and ‘O’ is the symbol for oxygen.