3rd grade · Science · Unit 7 of 10
Weather Hazards & Solutions
Designs that lessen the harm from floods, wind and storms.
What your child practices
Practices judging design solutions that reduce harm from weather hazards like floods, windstorms, lightning and snow, and solutions to problems when habitats change.
California Content Standards learning standard: 3-ESS3-1; 3-LS4-4 · comparing solutions that reduce the impacts of weather hazards and environmental change
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
A good solution for a flood should…
- protect people and homes
- be the hardest to build
- make the flood bigger
- cost the most
protect people and homes
Hint: Solve the problem.
Question 2
A river is blocked by a dam and salmon can't swim upstream. A solution is…
- a road
- more concrete
- a fish ladder
- a bigger wall
a fish ladder
Hint: Steps let fish get past.
Question 3
Which design would best stop a beach from washing away?
- A seawall
- A bench
- A sign
- A swing
A seawall
Hint: It blocks big waves.
Question 4
Which helps protect a town from a river flood?
- A window
- A slide
- A sandbox
- A levee
A levee
Hint: A wall of earth along a river.
Question 5
A lightning rod on a building…
- stops wind
- makes thunder
- carries lightning safely to the ground
- attracts rain
carries lightning safely to the ground
Hint: It protects the building.
Question 6
A downside of building a seawall could be…
- it stops all waves forever
- it can change beaches nearby
- it grows fish
- it makes no change
it can change beaches nearby
Hint: Solutions can have trade-offs.