Grade 8 · Science · Unit 1 of 14
Water on Earth
Where water is and how it moves
What your child practises
Practises where water is found on Earth, how it moves through the water cycle and watersheds, and how people use and protect it.
Prince Edward Island Curriculum curriculum outcome: Water Systems · where water is found on Earth, the water cycle, watersheds and groundwater
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
What is an estuary?
- a layer of underground rock
- a very high mountain lake
- a place where a river meets the sea
- a hole drilled for a well
a place where a river meets the sea
Hint: Fresh water and salt water mix there.
Question 2
Rain, snow, sleet and hail are all kinds of…
- evaporation
- transpiration
- condensation
- precipitation
precipitation
Hint: It is water falling from the sky.
Question 3
A pH test tells you whether water is…
- warm or cold
- heavy or light
- acidic, neutral or basic
- moving or still
acidic, neutral or basic
Hint: A pH of 7 is neutral.
Question 4
What is groundwater?
- water in a river
- water held in soil and rock under the ground
- water in a glacier
- water in a cloud
water held in soil and rock under the ground
Hint: You reach it by digging a well.
Question 5
Which choice saves fresh water at home?
- turning off the tap while brushing your teeth
- washing a half load
- taking longer showers
- leaving a hose running
turning off the tap while brushing your teeth
Hint: Small habits add up.
Question 6
The water cycle has no true start or end. This means water…
- is used up
- only moves in summer
- keeps moving around and around
- stays in the ocean
keeps moving around and around
Hint: Water changes form but is never lost.