LS Vocabulary Study Tool 13

What is ammonification?

• The process of converting nitrogen gas into a usable form for plants.

• When bacteria break down dead organisms and release ammonia into the soil.

• The movement of nitrogen through the air and water.

• When plants take in carbon dioxide.

What is assimilation?

• The process where plants absorb and use nutrients from the soil.

• The release of water vapor from plants.

• The movement of water through the atmosphere.

• The breakdown of dead organisms.

What is carbon?

• A gas found only in the atmosphere.

• A chemical element found in all living things.

• A molecule that helps plants absorb nitrogen.

• A type of bacteria that breaks down waste.

What is cellular respiration?

• The process where cells break down glucose and oxygen to make energy.

• When bacteria release nitrogen into the air.

• The movement of water from plants into the air.

• When plants use sunlight to make food.

What is condensation?

• When water vapor cools and turns into liquid droplets.

• When water soaks into the soil.

• When water is lost from plants.

• When liquid water turns into vapor.

What is denitrification?

• The movement of nitrogen through the air and water.

• The process where bacteria convert nitrogen compounds back into nitrogen gas.

• The absorption of nitrogen by plants.

• The process of forming clouds.

What is evaporation?

• When liquid water turns into water vapor.

• When clouds release rain.

• When bacteria break down nitrogen.

• When nitrogen gas turns into a solid form.

What is nitrification?

• The process where plants use carbon dioxide.

• When bacteria convert ammonia into usable nitrogen compounds.

• When water vapor turns into liquid water.

• When nitrogen gas is removed from the air.

What is nitrogen?

• A nutrient that is only found in soil.

• A gas that makes up most of the Earth's atmosphere.

• A solid that plants absorb from rocks.

• A chemical found only in water.

What is nitrogen fixation?

• When nitrogen gas is converted into a form plants can use.

• When nitrogen is removed from the soil.

• When bacteria break down dead organisms.

• When nitrogen gas is released into the air.