One Phase to another
Going from a Liquid to a Solid is called what?
Freezing or Solidification
Objects sink until they __________.
Float
A solution is when a substance is dissolved in another substance. What kind of change is this?
Physical Change
Mixture
Two substances that are combined and can easily be separated.
When thrown in water, you would __________.
Float
Going from a Solid to a Liquid is called what?
Melting
The water displaced will weigh ____________ as the object in it.
The same
Oil and Water
Why?
Mixture, the oil will sit on top of the water.
Solution
When two or more substances combine and one dissolves in another one.
The __________ makes the difference on if an object can sink or float.
shape
Going from a Liquid to a gas is called what?
Evaporation
A tennis ball that is cut in half will float higher than a whole tennis ball. Why?
Because the tennis ball that is cut in half does not weigh as much as the whole tennis balls.
Sand and Water
Why?
Mixture, the sand will settle at the bottom.
Three Phases of Matter
Solid, Liquid, Gas
What are two tools used to separate mixtures?
Evaporation, magnets, filters, and funnels
Going from a gas to a liquid is called what?
Condensation
Oil and Sugar
Mixture, the sugar will not dissolve in the oil.
Displaced
When an object is placed in water, it pushes the water out and takes its place.
When matter changes its ___________, it is called a physical change.
appearance
Going from a Solid to a Gas is called what?
Sublimation
When you jump in a pool, how much water to you displace.
The same as you take up and weigh.
Salt and Water
Solution, the salt will dissolve in the water.
Buoyancy
An objects ability to sink or float.
What does dissolve mean?
To get smaller and smaller until it can no longer be seen.