Grade 2 · Science · Unit 5 of 9
Lakes, Rivers and Oceans
Bodies of water, fresh and salty
What your child practises
Most of Earth's surface is covered by water. Children name oceans, glaciers, lakes, wetlands and rivers, follow water as it flows downhill from small creeks to the ocean, and tell fresh water from salt water.
Alberta Curriculum learning outcome: 2ES 1.3 · bodies of water, how water flows from creeks to the ocean, and fresh and salt water
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
Put the water's trip in order, from the smallest to the biggest.
- 🐳the ocean
- 🏞️a stream
- 🌊a river
- 💧a small creek
Show answer
a small creek → a stream → a river → the ocean
Hint: Small creeks join to make streams. Streams join to make rivers. Big rivers flow to the ocean.
Question 2
Which of these is a body of water in Alberta?
- the Pacific Ocean
- the Nile
- the Bow River
Show answer
the Bow River
Hint: The Bow River flows through Calgary.
Question 3
Water on land flows…
- uphill
- downhill
- only sideways
Show answer
downhill
Hint: Gravity pulls water downhill.
Question 4
Which has salt water?
🌊- a river
- a glacier
- an ocean
Show answer
an ocean
Hint: Oceans and seas have salty water.
Question 5
Small streams that join together make…
- a mountain
- a desert
- a larger stream or river
Show answer
a larger stream or river
Hint: Water from many streams meets in bigger rivers.
Question 6
Fresh water or salt water? Tap an item, then tap its basket.
Sort into: 🥤 fresh water · 🧂 salt water
- 🐠a sea
- 🏔️Lake Louise
- 🦆a wetland
- 🏞️a river
- 🌊the Atlantic Ocean
- 🌊the Pacific Ocean
Show answer
🥤 fresh water: Lake Louise, a wetland, a river · 🧂 salt water: a sea, the Atlantic Ocean, the Pacific Ocean
Hint: Oceans and seas have salt water. Rivers, most lakes, wetlands and glaciers have fresh water.