Science Grade 7 Unit 2: Controlling Energy

Last updated over 2 years ago

7 questions

Instructions

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

Draggable item		Corresponding Item

Required

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

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

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

Science Grade 7 Unit 2: Controlling Energy

Science Grade 7 Unit 2: Controlling Energy

Match the words to the correct definition.

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

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.

Which of the following statements is true about bond breaking?

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