5th grade earth and rocks

Question 1

Which action best tackles this problem: air pollution from traffic?

• A. recycling and composting schemes
• B. more buses, bike lanes and electric vehicles
• C. banning single-use plastics and beach clean-ups
• D. fixing leaks and collecting rainwater

Question 2

About 97% of Earth's water is salty and 3% is fresh. If all of Earth's water were shrunk into 100 litres, about how many litres would be fresh water?

Answer L

Question 3

What does this chart of Earth's fresh water show?

• A. Groundwater is the largest store.
• B. Most fresh water is frozen or underground, not in rivers and lakes.
• C. Most fresh water is in rivers and lakes.
• D. There is more fresh water in the air than in ice.

Question 4

True or false? Glaciers are part of the geosphere.

• A. True
• B. False

Question 5

Which two spheres are interacting here: waves crash against a cliff and wear it away?

• A. biosphere and geosphere
• B. biosphere and hydrosphere
• C. biosphere and atmosphere
• D. hydrosphere and geosphere

Question 6

Why do engineers in some cities pump water up from deep underground?

• A. Underground water is salty.
• B. Rivers are always empty.
• C. It is warmer.
• D. Groundwater is a large store of fresh water.

Question 7

True or false? Plastic in the sea breaks down completely in a few weeks.

• A. True
• B. False

Question 8

Which of Earth's spheres does this belong to: water underground?

• A. geosphere (rock and land)
• B. hydrosphere (water)
• C. atmosphere (air)
• D. biosphere (living things)

Question 9

Scientists measure river water each month and find pollution falling after a new rule. What is this measuring for?

• A. Measuring is not useful.
• B. To make the water warmer.
• C. To make the river longer.
• D. To check whether the solution is working.

Question 10

Which action best tackles this problem: water shortages?

• A. planting strips of plants along riverbanks
• B. fixing leaks and collecting rainwater
• C. banning single-use plastics and beach clean-ups
• D. more buses, bike lanes and electric vehicles

Question 11

About 97% of Earth's water is salty and 3% is fresh. If all of Earth's water were shrunk into 500 litres, about how many litres would be fresh water?

Answer L

Question 12

The chart shows where Earth's fresh water is found. What percentage is lakes, rivers, soil and air?

Answer %

Question 13

True or false? People are part of the biosphere.

• A. True
• B. False

Question 14

Which two spheres are interacting here: waves crash against a cliff and wear it away?

• A. geosphere and atmosphere
• B. biosphere and atmosphere
• C. hydrosphere and geosphere
• D. hydrosphere and atmosphere

Question 15

Only about 1% of Earth's fresh water is easy to reach in lakes and rivers. What should people do?

• A. Pour waste into rivers.
• B. Use water carefully and keep it clean.
• C. Use as much as possible.
• D. Nothing; water never runs out.

Question 16

True or false? Communities can reduce pollution by changing how they travel.

• A. True
• B. False