Design and Test a Solution

Grade 4 Science Worksheet - Building Confidence

Circle the answer.

1. 1.

   Materials: 2 paper plates, 4 craft sticks, glue. Task: a stand that holds a tablet upright. Test: the tablet slides off. What is the best next step?

   • test with a smaller tablet only
   • add a ledge at the bottom to stop the sliding
   • use more glue on the plates' faces
2. 2.

   A team has 30 minutes, 8 index cards and tape to build a bridge that spans 20 cm. Which is a criterion?

   • the team uses 8 index cards
   • the team has 30 minutes
   • the bridge spans 20 cm
3. 3.

   Problem: water drips from a classroom sink onto the floor. Which is the best problem statement?

   • design a way to catch drips so the floor stays dry
   • move the whole class to a bigger room
   • make the sink and floor a new color
4. 4.

   A paper airplane must fly 5 meters. It flies 3 meters. Did it meet the criterion?

   • yes, it went 2 meters too far
   • no, it fell short by 2 meters
   • yes, because it flew