Science Grade 7 Unit 2: Controlling Energy

Last updated about 2 years ago
7 questions
I can...
  • distinguish between solute, solvent and solution
  • identify that energy is released in bond breaking
  • identify that energy is absorbed in bond making
Required
1

Match the words to the correct definition.

Draggable itemCorresponding Item
Solute
a substance that is dissolved by another substance
Solvent
a substance that dissolves another substance
Solution
a homogeneous mixture made of a solute dissolved within a solvent
Required
1

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

Required
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.
Other Answer Choices:
Solute
Solvent
Solution
Required
1

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.

Required
1
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.
Required
1

Which of the following statements is true about bond breaking?

Required
2
Bond breaking involves energy _______ (absorbed or released) and bond making involves energy _______ (absorbed or released).