Show:
Matter & It's Properties
Changes in States of Matter
Mixtures & Solutions
Concentration and Rate of Dissolving
chemical or physical change
100
Anything that takes up space and has mass is
What is Matter
100
In which state of matter are the particles packed together in a tight pattern?
What is a solid.
100

_________ is a mixture of one or more substances dissolved  evenly into another substance.


What is a solution? 

100

smaller substance that becomes dissolved; ex: sugar, salt, powder

Solute

100

What is an example of Physical Changes

Answers may vary (waded up paper, glass breaking) 

200
What are the three states of Matter?
What is Solid, Liquid and Gas.
200
Why do liquids have more movement than a solid?
What is their particles are spaced farther apart and can move around.
200
What do you call two or more substances that are combined and do not change their physical properties?
What is a mixture.
200

Rey is making soup. He will dissolve cubes of instant soup mix in hot water.
How can Rey make the soup cubes dissolve more quickly in the water?

Stir, make the pieces smaller 

200

What is an example of chemical change? 

Answers may vary (a piece of paper being burned, cooking an egg) 

300
Mass, volume and density are used to identify matter. What are they?
What is Physical Properties.
300
When liquid particles get cold enough they become what state of matter?
What is a solid.
300

A mixture of the same kind is called ________ 

What is a homogenous mixture? 

300

A solution that is considered dilute would be....


a solution that has a small amount of solute 

300

A change in the size, shape, or state of matter.


What is a physical Change 

400
The amount of matter in an object compared to the space it takes up is its ____________?
What is Density.
400
What does matter need to change its state?
What is a change in temperature. Either add or remove heat.
400
The amount of a substance that can be dissolved in another substance is a measure of its ____________.
What is solubility.
400

Concentration is

the amount of solute in the solvent

400

When two or more different substances are mixed, a new substance with different properties may be formed.

What is a Chemical change 

500
How do you find the density of an object?
What is divide it's mass by it's volume.
500
Which state of matter has no definite volume?
What is a gas. It has no definite volume or shape.
500
What do you call a kind of mixture where different kinds of matter are mixed completely with each other?
What is a solution. Like saltwater.
500

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt

Solution 2:

500 mL of water

90 g of salt


What is Solution 1 

500

What are the  signs of a chemical change taking place?

bubbles forming, precipitate forming, color change, temperature change, combustion