Give an example of a solid
desk, books, table
Are solid particles arranged tightly together, or are they spread far apart?
tightly together
What term best describes changing from a solid to a liquid?
a. melting
b. evaporation
c. freezing
d. condensation
a. melting
What happens to ice if it sits out on a sunny day
it melts!
What do you call two solids mixed together?
A mixture
Give an example of a liquid
water, juice, milk
What shape is a liquid?
it doesn't have a shape; it takes on the shape of its container
Give me an example of a mixture.
What is evaporation?
when a gas is heated and the liquid rises into the air
What physical change takes place when you go from a liquid to a gas?
evaporation
freezing
melting
evaporation
Give an example of a gas
air, carbon dioxide, oxygen, helium
What shape is a gas?
it doesn't have a shape; it floats around freely or takes on the shape of its container (like a balloon)
Based on the observations, what state of matter is Mystery Matter #1 in?
Observations:
-takes on the shape of its container
-the atoms are more spread out
liquid
What is melting?
when a solid is heated and changes to a liquid
What physical change occurs when a solid turns into a liquid?
evaporation
freezing
melting
melting
All states of matter are made up of tiny particles called ______________?
atoms
Does gas have more mass or less mass than a solid?
less mass than a solid
Based on the observations, what state of matter is Mystery Matter #2 in?
Observations:
-keeps its own shape
-keeps the same volume when the lid is removed
solid
Name something that floats.
cork, wooden block, etc.
what physical change occurs when you go from a liquid to a solid
evaporation
freezing
melting
freezing
mass
How would you describe the particles in a solid, liquid, and gas.
Solid-organized in rows and columns, close together
liquids-close together but not in rows, more spread out
gas-spaced far apart
Based on the observations, what state of matter is Mystery Matter #3 in?
Observations:
-no shape; takes on the shape of its container
-the atoms are very spread out and bounce off things
gas
Name something that sinks.
spoon, salt, penny, etc.
How does a solid stay the same when you cut it? How does it change?
A solid is a different size or shape after you cut it, but it is still made of the same thing.