Earth's Changes/ Alternative energy

Rock made of layers of compressed sediments

• metamorphic rock
• igneous rock
• sedimentary rock
• school house rock

The breakdown of rock into smaller particles from the effects of wind, water and ice

• erosion
• cementation 2*
• pressure
• weathering

Small pieces of rock are also called

• sediment
• coal
• organic matter
• erosion

Wind, water, ice and gravity carry sediments away

• weathering*
• deposition
• erosion
• cementation

Sediment that is left behind in rivers lakes and oceans

• weathering
• erosion
• cementation
• deposition

Force of objects pushing on other objects

• erosion
• pressure
• fighting

The process of layers become stuck together forming sedimentary rocks

• sticking
• pressuring
• cementation
• deposition

The waste and remains of plants and animals

• organic matter
• fossil fuels
• fossils

Decay or decomposition means to

• break into smaller parts
• make into larger parts
• destroy something
• fix something

Which of the following is not a fossil fuel

• Coal
• Electricity
• Oil
• Natural Gas