Vocabulary I
Vocabulary II
States of Matter
Types of Changes
Miscellaneous
100
the ability of a substance to be dissolved
solubility
100
matter changes shape, size, texture, etc. but the substance stays the same
physical change
100
What are the 3 states of matter?
solid, liquid, gas
100
What is the difference between chemical changes and physical changes?
Chemical changes mean that a new substance is formed- you cannot "undo" it. Physical changes do not change the substance as a whole- you can "undo" it.
100
Particles of matter are _____ _____ to be seen.
Particles of matter are too small to be seen.
200
a change that causes a new substance to be formed
chemical change
200
the amount of stuff that makes up an object
mass
200
physical change when a solid turns into a liquid
melting
200
An apple is cut into slices. Is this a physical change or a chemical change?
chemical change - you are changing the shape of the apple and could put it back together
200
I have definite volume and a definite shape. My particles are packed tightly close together. What am I?
solid
300
a mixture of two or more substances that are not evenly distributed and can be easily separated
heterogeneous mixture
300
a mixture of two or more substances that are evenly distributed throughout and are difficult to separate
homogeneous mixture
300
physical change with a liquid turns into a gas
evaporation
300
Mrs. McDermott cuts her hair. Is this a physical change or a chemical change?
physical change - hair grows back
300
Toxicity, flammability, and reactivity are all examples of ______ properties. We saw an example of this when we put vinegar onto baking soda.
Toxicity, flammability, and reactivity are all examples of chemical properties.
400
how a substance behaves during a chemical reaction
chemical property
400
a quality of a substance that can be observed or measured
physical property
400
physical change when a gas turns into a liquid
condensation
400
An apple is cooked into an apple crisp dessert. Is this a physical change or a chemical change?
chemical - you cannot uncook the apple
400
I have definite volume, but no definite shape. My particles are somewhat close together, but not tightly packed. What am I?
liquid
500
matter can neither be created nor destroyed
Law of Conservation of Mass/Matter
500
anything that has mass and takes up space
matter
500
physical change when a liquid turns into a solid
freezing
500
Mrs. Linkletter bakes a cake for her family.
chemical - you cannot unbake the cake
500
I have no definite volume and no definite shape. My particles are far apart and have a lot of movement. What am I?
gas