ESS Final Semester 2 2025

Front

How old is the Solar System (Including Earth)?

Back

4.6 Billion Years

Front

Why does ice float on water?

Back

When it freezes it expands.

Front

What gives water its special properties?

Back

Water's polar nature.

Front

What is the 'magnitude' of an earthquake?

Back

The amount of energy released.

Front

How long ago did life explode on Earth?

Back

560 Million Years.

Front

What is the process called when water changes from liquid to gas?

Back

Evaporation.

Front

What is the primary gas found in Earth's atmosphere?

Back

Nitrogen.

Front

What is the term for the movement of tectonic plates?

Back

Plate tectonics.

Front

What is the main source of energy for the Earth?

Back

The Sun.

Front

What is the term for the layer of gases surrounding Earth?

Back

Atmosphere.