Climate and Weather Hazards
Grade 3 Science Worksheet - Challenge Me

Circle the answer.
A town floods when the river rises above 12 feet. The highest flood on record reached 14 feet. Which levee would protect the town?
- a 15-foot levee
- a 13-foot levee
- a 12-foot levee
- a 10-foot levee
Town A has about 3 tornadoes a year. Town B has about 1 every 20 years. Which town most needs storm shelters in every school?
- Town B, because it had one long ago
- Town A, because tornadoes happen there often
- Town B, because tornadoes surprise people
- both the same, because tornadoes are rare
A sea wall protects a beach town from storm waves. What is one drawback of the sea wall?
- it pulls lightning to the beach
- it makes heat waves worse
- it costs a lot and can wash away beach sand
- it lets storm waves flood the town
Which evidence would show that a new levee works?
- it rained very little that spring
- the levee was painted to last
- the river stayed at 5 feet all year
- the river rose to 14 feet and the town stayed dry
A farm pond needs at least 2 inches of rain each month to stay full. Use the graph. In which months did the farm need stored water?
- May, June and July
- March and April
- June and July only
- all five months
Drip pipes give water straight to roots. Sprinklers spray water into the air, where some dries up. Which is better in a drought, and why?
- sprinklers, because they cover more ground
- sprinklers, because spraying cools the air
- drip pipes, because they use more water
- drip pipes, because less water is lost
Engineers test two roofs in a wind machine. Roof A blows off at 60 mph. Roof B stays on at 130 mph. Which is the better choice for a hurricane area?
- Roof B
- they are equally good
- Roof A, because it is lighter
- Roof A
A city plants shade trees and paints roofs a light color. Which hazard is this plan meant to reduce?
- lightning strikes
- heavy snow
- extreme heat in summer
- river flooding
Why do towns use many years of records when planning for floods, not just last year's?
- big floods are rare, so one year may miss them
- floods happen at the same time every year
- last year's records are not useful
- rain is the same every year
A roof can safely hold about 20 inches of heavy snow. Use the graph. Which town's roofs needed to be cleared?
- Town B and Town C
- all three towns
- Town C only
- Town A only


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