8.2.3 Plants in the Carbon Cycle

Draw

Match each word to its definition.

Multiple Choice

Which carbon reservoir holds most of its carbon in the form of carbon dioxide, or CO₂?

• organisms

• atmosphere

• fossil fuels

• rocks

Reorder

Drag to correctly order the steps of fossil fuel formation from start to finish.

• Trees and plant matter become covered with water.

• Layers of sediment cover the plants.

• Sediment causes pressure, and high temperatures occur.

• The plant matter becomes a fossil fuel.

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

When you burn a fossil fuel, energy is released from the bonds between the atoms. What type of energy is stored in fossil fuels?

• kinetic energy

• chemical energy

• thermal energy

• electrical energy

Multiple Choice

Coins?

• YES!

• no

Multiple Choice

Coins?

• YES!

• no

Multiple Choice

Coins?

• YES!

• no

Multiple Choice

Coins?

• YES!

• no

Multiple Choice

Coins?

• YES!

• no

Multiple Choice

Coins?

• YES!

• no