Second Class science · E.4 · Engineering
Build, test, improve
Build something, test it, then change one part to see what works better.
See worked examples
Ines wonders: A group builds a tower with straws. It falls when touched. What should they do next?
- Use longer straws
- Put tape on top only
- Add more support at the bottom (right)
Ravi and Amara are curious. A group builds a tower with blocks. It falls down when pushed. What should they do next?
- Use taller blocks only
- Make the base wider and stronger (right)
- Paint the tower red
Sam and Omar are curious. A student builds a tower with blocks. It falls when someone bumps it. What should they do?
- Use taller blocks instead
- Make the base wider (right)
- Add more blocks on top
Tip: Build something, test it, then change one part to see what works better.
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- Test It, Choose It: Materials Grades K–2 · printable lessons
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