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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You will have two jars like this. The parts of your soil settle<br />
in layers.<br />
OBSERVATIONS:<br />
Draw the two jars showing the layers in your two s<strong>and</strong> samples.<br />
Give your drawings labels <strong>and</strong> aheading.<br />
How could you do this investigation better?<br />
CONCLUSION (what you learnt):<br />
The dierence between our two soil samples is that ...<br />
You will see that your soil has some grains that are grains of s<strong>and</strong>,<br />
some grains that are smaller <strong>and</strong> some that are so small you can't<br />
see them.<br />
• S<strong>and</strong>, which you know how it feels between your fingers.<br />
• Silt has much smaller grains but you can still feel that the silt<br />
is a bit rough.<br />
• Clay has such small grains that when you rub it between your<br />
fingers it feels like paint. In fact you can paint with it. When<br />
clay dries, it becomes hard.<br />
Chapter 2. Surface of the Earth<br />
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