Faster
Chemical change
Dissolve the salt in water, then strain/filter the sand out of the liquid
Evaporate the water!
Matter
Varies. Examples: Bean mixture, fruit salad, sand in water
Molecule
Varies
Gas or bubbles, colour change
Physical change
Properties of matter
Yes!
Slower
True
Physical change
Solutions
Solution
Varies
Yes!
varies
True
Chemical change
Atoms!
True or False: All matter is made up of tiny particles.
The characteristics used to describe matter are ________________
Can solutions be separated?
Dissolving sugar in water is a _____________ change
How would YOU define a solution?
Give one example of a solution we have seen in class
The smallest particles of matter are....
Particles move ________________ when they are cold.
How would YOU define a mixture?
List one sign of a chemical change (other than heat or cold)
Particles move ________ when energy (heat) is added.
Can mixtures be separated?
How could you separate a solution of salt and water?
Name three examples of mixtures that we've observed in this class.
This type of change is not reversible
How could you separate a mixture of sand and salt?
True or False: A mixture is a combination of substances that keep their properties.
What is the term used to describe anything that has mass and takes up space?
Many drinks are ___________ with sugar or other particles dissolved inside.
This type of change is reversible
Give an example of a mixture that can be separated into the original substances
If all parts of a mixture are evenly distributed, the mixture is a _____________.
Give two examples of solutions we have seen in class that haven't been named yet.
Heat or cold is a sign of __________________
When two or more atoms join together, they are called a...
