Changes
What is a physical change?
A change in size, shape, or state of matter.
What properties of matter can we measure?
Length, width, height, weight, volume
Space
True
Name the 3 states of matter.
Solid, liquid, gas
Give an example of a physical change?
Ripping paper, cutting wood, freezing water, etc.
What properties does a rubber band have?
Color - tan
Size - small
Flexibility
Hardness
True or False - Sounds are matter.
False
I mix baking soda and vinegar in a beaker with a balloon on top. The weight before I mix the solution is 125 grams. What is the weight after I mix the solution?
125 grams
Which state of matter has a definite shape and volume?
Solid
What is a chemical change?
A change in matter that creates a new substance and cannot be undone.
What property does an object have when it sticks to metal objects?
Magnetism
All matter is made up of ______________.
Particles
I mix baking soda and vinegar in an open beaker. The weight before I mix the solution is 125 grams. How does the weight change after I mix the solution?
It is less than 125 grams due to the gas created by the chemical reaction.
Which state of matter has a definite volume, but takes the shape of the container its in?
Liquid
Give an example of a chemical change.
Baking a cake, fruit molding, burning wood, etc.
What property does an object have when light is able to shine through it? Ex. a window
Transparency
Name the 3 states of matter.
Solid, liquid, gas
If Mrs. Shelby fills a glass with water and ice, and then lets the ice melt, will the weight be more, less, or stay the same after the ice melts?
Stay the same
Which state of matter has neither a definite shape or volume, but fills the area?
Gas
Is the rusting of an old car a chemical or physical change?
Chemical
What properties change in a physical change?
Size, shape, or state of matter
What has to be added to turn solid water to liquid water and liquid water to gas water?
Heat
What is added to matter to change the state from a gas, to a liquid, to a solid?
Cold temperature