This sphere is made of the gases surrounding Earth.
What is the atmosphere?
Rocks, soil, and land belong to this sphere.
What is the geosphere?
Oceans, rivers, and lakes belong to this sphere.
What is the hydrosphere?
Plants, animals, and people belong to this sphere.
What is the biosphere?
A tree takes in water through its roots. Name the two spheres involved.
What are the biosphere and hydrosphere?
This gas in the atmosphere is needed by people and many animals to breathe.
What is oxygen?
Mountains and valleys are features of this sphere.
What is the geosphere?
Water in this sphere can be liquid, solid, or this third state.
What is gas or water vapor?
A mushroom is part of this sphere because it is this.
What is living?
Rain falls from clouds into a lake. Name the two spheres involved.
What are the atmosphere and hydrosphere?
Clouds and most weather occur in this lowest layer of the atmosphere.
What is the troposphere?
This natural process wears away and moves rock and soil, often with help from wind or water.
What is erosion?
This process changes liquid water into water vapor.
What is evaporation?
Plants use sunlight, water, and carbon dioxide to make food through this process.
What is photosynthesis?
Wind blows sand across a beach. Name the two spheres involved.
What are the atmosphere and geosphere?
This gas makes up most of Earth’s atmosphere.
What is nitrogen?
Melted rock beneath Earth’s surface is called this.
What is magma?
Most of Earth’s water is salt water found in these large bodies of water.
What are oceans?
In a food chain, a plant is called this because it makes its own food.
What is a producer?
A fish lives in a river and takes oxygen from the water. Name the two spheres most directly involved.
What are the biosphere and hydrosphere?
A thick layer of greenhouse gases can trap more of this near Earth’s surface.
What is heat?
Melted rock beneath Earth’s surface is called this.
What is lava?
Water soaking into the ground can become this stored source of freshwater.
What is groundwater?
This term means the variety of living things in an area.
What is biodiversity?
A volcanic eruption sends ash into the air, and the ash affects nearby plants. Name all three spheres involved.
What are the geosphere, atmosphere, and biosphere?