The portal has been deactivated. Please contact your portal admin.

Lesson Worksheet: The Distribution of Water Science

In this worksheet, we will practice describing and modeling the distribution of water on Earth and how much of this can be used by humans.

Q1:

Fill in the blank: Most water on Earth is , so it is unusable.

  • Asalt water
  • Bfresh water
  • Cunderground
  • Dfrozen

Q2:

Which list contains only sources of fresh water?

List 1List 2List 3
Oceans
Seas
Underground springs
Rivers
Lakes
Icebergs
Glaciers
Oceans
Rainwater
  • AList 1
  • BList 2
  • CList 3

Q3:

Pick the pie chart that shows how much of Earth’s surface is covered by water.

  • A
  • B
  • C
  • D

Q4:

How many quarters of Earth’s surface are covered by water?

  • AThree quarters
  • BTwo quarters
  • COne quarter
  • DFour quarters

Q5:

Why is most fresh water on Earth unusable?

  • AIt is dirty.
  • BIt is frozen.
  • CIt is polluted.
  • DIt is underground.

Q6:

This pie chart shows the distribution of water on Earth.

Which color represents salt water?

  • ABlue
  • BRed
  • CPurple
  • DOrange

Q7:

Which number points to frozen water?

Q8:

Which number points to where salt water can be found?

Q9:

The 4 L of water in this measuring cup represents the total amount of water on Earth.

How much of this 4 L of water would represent usable water?

  • A
  • B
  • C
  • D

Q10:

We can use the 4 L of water in the bigger measuring cup to show the total amount of water on Earth.

What should we do to show how much of this water is fresh water?

  • AWe should pour only 30 mL from the bigger measuring cup into the smaller measuring cup.
  • BWe should pour 100 mL from the bigger measuring cup into the smaller measuring cup.
  • CWe should add 100 mL to the bigger measuring cup.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.