Natural Sciences and Technology Grade 5-B ... - Thunderbolt Kids
Natural Sciences and Technology Grade 5-B ... - Thunderbolt Kids
Natural Sciences and Technology Grade 5-B ... - Thunderbolt Kids
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INSTRUCTIONS:<br />
Things you can use for wheels <strong>and</strong> axles.<br />
1. Bring the dierent materials that you have collected for<br />
wheels <strong>and</strong> axles to class.<br />
2. You must now experiment with the dierent materials that<br />
you have to make wheels <strong>and</strong> axles. Attach the setup to the<br />
small box to test the wheels <strong>and</strong> axles.<br />
3. Remember what you learned about how to attach axles to the<br />
box <strong>and</strong> experiment with these dierent methods as well<br />
(Hint: Bearings!)<br />
4. Experiment with dierent sized wheels <strong>and</strong> find the best<br />
option.<br />
5. Once you have tested <strong>and</strong> evaluated the dierent setups you<br />
have made to see whether they move easily, select the best<br />
option <strong>and</strong> make an improved tractor from the simple tractor<br />
you made at the beginning of this chapter with the pencils.<br />
6. Evaluate how far your improved tractor can go if you give it a<br />
push with an object in the small box.<br />
64 Energy <strong>and</strong> Change
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