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Grade 4 Science Worksheet - Building Confidence

Circle the answer.
Two kites both meet the flight goal. Kite A takes 20 minutes to build; Kite B takes 60 minutes. The class has 30 minutes. Which should they build?
- Kite A
- Kite B
- both kites
What is a tradeoff?
- giving up some of one thing to get more of another
- making two designs exactly the same
- picking the first design you build
Car A rolled 6 m on smooth floor and 2 m on carpet. Car B rolled 4 m on both. The race is on carpet. Which car is better for the race?
- they are equally good
- Car A
- Car B
Kite A is pretty but does not fly. Kite B is plain and flies well. The goal is a kite that flies. Which meets the goal?
- both kites
- Kite B
- Kite A