Definitions
Anything that has mass and takes up space
What is matter?
the way light bounces off an object
What is reflectivity?
When some metals react with air over time.
What is rust/tarnish?
Mixtures that have parts that are not uniformly mixed together.
What are heterogeneous mixtures?
Tools to separate heterogeneous mixtures?
What are sieves, magnets, tweezers?
The amount of material in an object
What is mass?
ability for energy, such as electricity and heat, to move through a material
What is conductivity?
4 signs of a chemical change.
What is a change in color, temperature, light, sound, odor, and production of gas?
Mixtures are mixtures that are uniform throughout.
What are homogeneous mixtures?
Tools to separate homogeneous mixtures.
What is hot plates or stove tops?
A measure of how much space an object takes up
What is Volume?
the maximum amount of a substance that can be dissolved by another substance
What is solubility?
We can see, hear, or smell the types of changes cause by...
What is a chemical properties?
A type of mixture in which the particles of one material are scattered through another without settling out
What is a colloid?
Mayonnaise.
What is a colloid?
A characteristic of matter that can be observed or measured
What is physical property?
the ability of a material to be attracted to a magnet without needing to be a magnet themselves
What is magnetism?
Baking a cake is a ___________ change.
What is a chemical change?
a mixture of substances that are blended so completely that the mixture looks the same everywhere.
What is a solution?
Lemonade.
What is a solution?
a characteristic that can only be observed when the type of matter changes
What is chemical property?
The three states of matter.
What is solid, liquid, and gas?
2 changes in a rotting apple.
What is a change in color and odor?
What is a suspension?
When substances are mixed together, their mass is the sum of the mixtures mixed together.
What is conservation of mass?