Build and Test a Design

Answer Key - Grade 1 Science Worksheet - Challenge Me

Circle the answer, or write the answer on the line.

1. 1.

   A bridge holds weight but bends. Which change keeps what works?

   • Change the goal.
   • Add a support and keep the wide base.
   • Remove the wide base.
   • Start over with all new parts.
2. 2.

   Mia's goal is 4 blocks. Tom's goal is 6 blocks. Both bridges held 5. Who met the goal?

   • Both
   • Tom
   • Mia
   • Neither
3. 3.

   Why draw a plan before you build?

   • to hide mistakes
   • to decide what to build
   • to use more glue
   • to skip testing
4. 4.

   Which sentence is a good design goal?

   • The tower must be a surprise.
   • The tower must stand and hold 4 blocks.
   • The tower must be my favorite color.
   • The tower must be pretty.
5. 5.

   The goal is 7 blocks. The bridge held 5. How many more blocks must it hold?

   2
6. 6.

   Look at the bars. How many blocks did the new design hold?

   7
7. 7.

   Test 1 held 3 blocks. Test 2 held 5. Test 3 held 5. What does this show?

   • The design got worse each time.
   • The design never changed.
   • The design got better, then stayed the same.
   • The design got better each time.
8. 8.

   A student changes the base, the material and the height all at once. What is the problem?

   • She will not know which change helped.
   • Nothing is wrong.
   • The tower will be taller.
   • The test will be quicker.
9. 9.

   A kite does not fly. What is the best next step?

   • Test it again with no changes.
   • Throw it away.
   • Change one thing and test again.
   • Say it works.
10. 10.

    The goal is to hold 7 blocks. Which result means the design worked?

    • It held 6 blocks.
    • It held 8 blocks.
    • It fell at once.
    • It held 5 blocks.