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Natural Sciences and Technology Grade 6-A - Thunderbolt Kids

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3. What did we change in this investigation?<br />

4. We measured the temperature of the water. What else did we<br />

measure?<br />

5. In which situation did the salt dissolve the fastest?<br />

6. Complete the conclusion below by filling in the missing word<br />

or words.<br />

CONCLUSION:<br />

The salt crystal dissolved ___________ in the hot water than the<br />

cold water. Temperature aects the rate of dissolving. When we<br />

increase the temperature of the solvent, the rate at which the<br />

solute dissolves ____________.<br />

Extension question: Why do you think the salt dissolves faster in<br />

the hot water?<br />

In the second investigation we will explore whether coarse salt<br />

dissolves faster than fine salt. What do you expect?<br />

Chapter 4. Dissolving<br />

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