04.09_5.10B

New Moon; it has no visible illumination

First Quarter; it is half-illuminated on the right side

Full Moon; it is fully illuminated

Third Quarter; it is half-illuminated on the left side

Fresh air and sunlight

Dead plants and animals buried under heat and pressure

Rain and wind over a few days

Lava from a volcano

Fossil fuels form when animals eat plants and store energy in their bodies

Fossil fuels are made instantly when plants and animals die and sink into water.

Fossil fuels are formed over millions of years from dead plants and animals that get buried under layers of rock and dirt.

Fossil fuels come from lava and magma deep inside the Earth’s core

Pressure and heat

Erosion and deposition

Heat and cementation

Weathering and compaction