P5 Science · Chapter 17brightbit.net/worksheets
The Water Cycle
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- 1.
What is the water cycle?
(a) The path water takes only from rain to rivers(b) The continuous movement of water between the Earth's surface and atmosphere through evaporation, condensation, and precipitation(c) The treatment of water in water plants(d) The flow of water in rivers and oceans only
- 2.
What causes water to evaporate from oceans, lakes and rivers?
(a) Cold temperatures(b) Heat energy from the Sun(c) Wind only(d) The Moon's gravity
- 3.
- 4.
What is precipitation?
(a) Water evaporating from the ocean(b) Water vapour condensing to form clouds(c) Water falling from the atmosphere to Earth's surface as rain, snow, hail, or sleet(d) Water seeping into the ground
- 5.
What is transpiration and how does it contribute to the water cycle?
- 6.
What happens to rainwater after it falls on land?
(a) It all evaporates immediately(b) It flows into rivers and oceans (run-off), soaks into the ground (infiltration), is absorbed by plants, or evaporates(c) It all soaks into the ground(d) It only flows into rivers
- 7.
Why does deforestation disrupt the water cycle?
- 8.
What is groundwater?
(a) Water flowing in rivers underground(b) Water that seeps into the soil and is stored in underground rock layers (aquifers)(c) Water on the surface of the ground(d) The water in lakes and ponds
- 9.
Why is the water cycle important for life on Earth?
- 10.
On a hot sunny day, you notice that puddles disappear quickly. Which process of the water cycle explains this?
(a) Condensation(b) Precipitation(c) Transpiration(d) Evaporation
Answer key — P5 Science: The Water Cycle
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(b) The continuous movement of water between the Earth's surface and atmosphere through evaporation, condensation, and precipitation
- 2.(b) Heat energy from the Sun
- 3.Water vapour rises into the cooler upper atmosphere, cools, and condenses around dust particles to form tiny water droplets that make up clouds
- 4.(c) Water falling from the atmosphere to Earth's surface as rain, snow, hail, or sleet
- 5.Transpiration is water vapour released by plants through their leaves; it adds water vapour to the atmosphere, contributing to cloud formation and precipitation
- 6.(b) It flows into rivers and oceans (run-off), soaks into the ground (infiltration), is absorbed by plants, or evaporates
- 7.Fewer trees means less transpiration and less interception of rainfall; more run-off occurs, increasing flood risk and reducing groundwater; the water cycle in the region is disrupted
- 8.(b) Water that seeps into the soil and is stored in underground rock layers (aquifers)
- 9.It continuously recycles and distributes fresh water to all parts of the Earth, making it available for living things; it also regulates climate and shapes landscapes
- 10.(d) Evaporation
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