Vocabulary Week 22 R

What is the continuous exchange of carbon dioxide and oxygen among living things called?

• Nitrogen Cycle

• Carbon Cycle

What is a series of events that happen one after another in the same order over and over again?

• Cycle

• Recycling

What is a river of ice that creates a 'U' shaped valley?

• Glacier

• Sedimentary Rock

What is a rock that has formed from cooled magma or lava?

• Metamorphic Rock

• Igneous Rock

What is rock that has been changed by heat and pressure?

• Recycling

• Metamorphic Rock

What are any materials that people take from the Earth called?

• Nitrogen Cycle

• Natural Resources

What is the transfer of nitrogen from the atmosphere to plants and back to the atmosphere, or directly into plants again?

• Recycling

• Nitrogen Cycle

What is the process of taking a used product and making it new again?

• Recycling

• Igneous Rock

What is a resource that can be replaced as it is used?

• Renewable Resources

• Transpiration

What is rock formed when sediments are pressed or cemented together?

• Sedimentary Rock

• Renewable Resources