Worksheets5 Sci 2 - 2.5 Making Sense of Solubility
Total questions: 12
Worksheet time: 6mins
What does dissolving look like?
Stir a solid into a liquid and it disappears
A solid floats
A solid sinks
A chemical reaction
Soluble means...
It cannot dissolve!
It can dissolve!
We can solve it!
Salt and sugar can both dissolve in water. What makes it possible for them to dissolve?
the crystals are very small
the molecules attract to water molecules
anything can dissolve if you keep stirring
These molecules have a high attraction, so...
They will dissolve in each other
They cannot dissolve in each other
It will be hard to stir them
Crayon wax cannot dissolve in water. What is true about the wax molecules?
They are much too large to dissolve
They attract to water
They do NOT attract to water
True or False? An atom is SMALLER than a molecule.
True
False
When sugar dissolves into water, it disappears. Are the sugar molecules still there?
No - the sugar molecules broke down into single atoms in the water
No - the sugar molecules were destroyed and the water took their properties
Yes - the sugar molecules are mixed evenly with the water molecules
Yes - the sugar molecules reacted with the water molecules to make something new
You mix 1 pound of sugar into 4 pounds of water. You stir until all the sugar dissolves. How much does the mixture weigh?
1 pound
3 pounds
4 pounds
5 pounds
Which of the following is NOT made of atoms?
Molecules
Energy
Air
Living things
Look at the picture. How many atoms do you see?
3 atoms
6 atoms
Look at the picture. How many molecules do you see?
3 molecules
6 molecules
Water is clear, wet, and easy to pour. These are its...
Properties
Mixture
Molecules
Atoms
