Climate and Weather Hazards

Grade 3 Science Worksheet - Challenge Me

Circle the answer.

1. 1.

   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
2. 2.

   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
3. 3.

   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
4. 4.

   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
5. 5.

   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
6. 6.

   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
7. 7.

   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
8. 8.

   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
9. 9.

   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
10. 10.

    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