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Laabri

Science Grade 7 Unit 2: Controlling Energy

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Last updated over 2 years ago
7 Nsɛmmisa

I can...

  • distinguish between solute, solvent and solution

  • identify that energy is released in bond breaking

  • identify that energy is absorbed in bond making

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Match the words to the correct definition.

Draggable itemarrow_right_altCorresponding Item

Solvent

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a substance that is dissolved by another substance

Solution

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a substance that dissolves another substance

Solute

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a homogeneous mixture made of a solute dissolved within a solvent

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Which sentence is true for solutes? You may choose more than one option.

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3.

You are making a cup of chocolate milk for yourself, and you need the two ingredients below. Identify the solvent, solute and solution. Drag the correct answer to the box.

Mmuae Afoforo a Wobɛpaw:
Solute
Solvent
Solution
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4.

You are making lemonade for your classmates. The ingredients are shown in the picture below. Which is / are the solute? You may choose more than one option.

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5.

In an exothermic reaction, the amount of energy released when new bonds form is (greater/less) than the amount of energy absorbed if bonds are broken.

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6.

Which of the following statements is true about bond breaking?

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7.

Bond breaking involves energy (absorbed or released) and bond making involves energy (absorbed or released).