PMA-2 6th Grade Science

Front

What is precipitation?

Back

Precipitation is any form of water, liquid or solid, that falls from the atmosphere to the Earth's surface. Examples include rain, sleet, hail, and snow.

Front

What percentage of the Earth's atmosphere is nitrogen?

Back

78% of the Earth's atmosphere is nitrogen.

Front

What percentage of the Earth's atmosphere is oxygen?

Back

21% of the Earth's atmosphere is oxygen.

Front

Which sphere do living things interact with when they breathe?

Back

Living things interact with the Atmosphere when they breathe.

Front

What are the main components of the hydrosphere?

Back

The hydrosphere includes oceans, rivers, lakes, and moisture in the air.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where living organisms interact with each other and their environment.

Front

What is the geosphere?

Back

The geosphere is the solid part of the Earth, including rocks, soil, and the Earth's interior.

Front

How do dead plants contribute to the nitrogen cycle?

Back

When dead plants decompose, they return nitrogen to the soil, enriching it for future plant growth.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding the Earth, essential for life and weather.

Front

What is the interaction between the biosphere and geosphere?

Back

The interaction between the biosphere and geosphere involves the exchange of nutrients and energy, such as when plants grow in soil.