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