5th grade · Science · Unit 11 of 11
Earth's Systems & Water
Land, water, air and life working together.
What your child practices
Practices how Earth's geosphere, hydrosphere, atmosphere and biosphere interact, how much of Earth's water is salty or frozen, and how communities protect water, from Sierra Nevada snow to San Francisco Bay.
California Content Standards learning standard: 5-ESS2-1; 5-ESS2-2; 5-ESS3-1 · Earth's systems interact, where Earth's water is, and how communities protect resources
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
A volcano puts ash into the air. Which systems interact?
- Geosphere and atmosphere
- Hydrosphere only
- Biosphere and hydrosphere
- None
Geosphere and atmosphere
Hint: Rock enters air.
Question 2
Which helps keep rivers clean for salmon?
- Dumping trash
- Planting trees along streams
- Cutting all streamside trees
- Paving riverbanks
Planting trees along streams
Hint: Shade and roots help.
Question 3
Which is a way communities protect San Francisco Bay?
- Litter on beaches
- Keep pollution out of storm drains
- Dump oil in drains
- Pour paint in streams
Keep pollution out of storm drains
Hint: Storm drains lead to the bay.
Question 4
The hydrosphere is all of Earth's…
- water
- air
- living things
- rocks
water
Hint: Hydro means water.
Question 5
The geosphere is Earth's…
- animals
- air
- oceans
- rocks and land
rocks and land
Hint: Geo means Earth.
Question 6
Most of Earth's water is…
- fresh water in lakes
- salt water in the oceans
- in rivers
- in clouds
salt water in the oceans
Hint: About 97%.