Earth's Spheres
Which sphere includes all living things on Earth?
Biosphere
When plants grow in soil, which two spheres are interacting?
Biosphere and Geosphere
What is an ecosystem?
Living and nonliving things that interact in an area
What is a watershed?
An area of land where water drains to the same place
Which sphere includes rivers, lakes, and groundwater?
Hydrosphere
Which sphere includes oceans, rivers, lakes, and groundwater?
Hydrosphere
When animals breathe oxygen, which two spheres interact?
Biosphere and Atmosphere
Name one living part of an ecosystem.
Plant or animal
Where does rainwater often go after it falls on land?
Into rivers, lakes, oceans, or the ground
Which sphere includes soil that helps plants grow?
Geosphere
Which sphere includes rocks, soil, and landforms?
Geosphere
When rain falls onto land, which two spheres interact?
Hydrosphere and Geosphere
Name one nonliving part of an ecosystem.
Water, Air, soil, sunlight
What is groundwater
Water stored underground in soil and rock
Which sphere includes clouds and wind?
Atmosphere
Which sphere includes the gases that make up the air
Atmosphere
When plants use water to grow, which two spheres interact?
Biosphere and Hydrosphere
Why do animals depend on plants in an ecosystem?
Plants are a source of energy and food
How does water get into the ground?
It soaks into the soil
How are watersheds connected to rivers?
They collect and drain water into rivers
Which sphere would be affected if pollution kills fish in a lake?
Biosphere
A flood changes the shape of a riverbank. Which two spheres are interacting?
Hydrosphere and Geosphere
What might happen to an ecosystem if its water source dries up?
Plants and animals may die or move away
Why is groundwater important to people and ecosystems?
It provides drinking water and water for plants and animals
How could pollution in one part of a watershed affect areas far away?
Pollution can travel downstream and harm ecosystems