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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ACTIVITY: Making <strong>and</strong> evaluating dierent wheels <strong>and</strong><br />
axles.<br />
Teacher's Note<br />
This activity does not follow a <strong>Technology</strong> Design process with all<br />
the steps, but does involve investigating, making <strong>and</strong> evaluating<br />
dierent objects to make wheels <strong>and</strong> axles <strong>and</strong> then using their<br />
best option to make an improved tractor from what they first made<br />
in the beginning of this chapter. Ask learners to collect the<br />
materials for wheels <strong>and</strong> axles from home beforeh<strong>and</strong> – tell them<br />
to also use their imaginations when looking for dierent materials<br />
to use. You will also need to supply some of the materials below.<br />
MATERIALS:<br />
• things to collect for wheels: shoe-polish tins, the lids of<br />
bottles, cut out cardboard circles.<br />
• things to collect for axles: sosatie sticks, sti plastic straws,<br />
wooden dowel sticks, aluminium rods, nails or wire, or the<br />
school may have plastic rods from a supplier.<br />
• scissors<br />
• glue<br />
• tape<br />
• pencils <strong>and</strong> crayons<br />
• a small box<br />
Chapter 4. Systems for moving things<br />
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