Water is an example of a (solid, liquid, or gas).
The amount of matter in an object is known as....
Mass
During a _____ change, the matter changes form but not identify. These changes CAN be reversed.
Physical
When two or more substances are combined. The physical properties do not change, and the substances can be separated.
Mixture
Name the 4 layers of the Earth from the outermost to the innermost layer.
Crust, Mantle, Outer Core, Inner Core
What has to happen for a solid to turn into a liquid?
Example: Ice --> Water
Melt
This state of matter has a definite shape AND volume. The atoms are packed together.
Solid
Burning wood is an example of a _______ change.
Chemical
Mixture
At ______ boundaries, plates move apart. This can cause earthquakes, volcanoes, and sea-floor spreading.
Divergent Boundaries.
A chair is an example of a (solid, liquid, or gas).
Solid
The amount of space something takes up is known as...
Volume
A ______ change cannot be reversed. Something new is created.
Chemical
A type of mixture, when one substance dissolves into another. They cannot be separated easily.
Solution
The ______ variable is the variable you change.
Independent
Oxygen is an example of a (solid, liquid, or gas).
Gas
This state of matter does not have a definite shape OR volume.
The atoms are far apart and move quickly.
Gas
Water freezing is an example of a _______ change.
Physical
Lemonaid is an example of a ________.
Solution
What are the three types of rocks?
Sedimentary, Metamorphic, and Igneous
What has to happen for a liquid to turn into a gas?
Example: Water --> Steam
Boiling or Evaporation
As temperature increases, what happens to the movement of atoms - the speed increases/decreases?
Hint: Think about what happens when a solid turns into a liquid, or a liquid turns into a gas.
A bike rusting is an example of a ______ change.
Chemical
Create your own example of a solution.
Kool-Aid.
Salt Water.
Etc.
The inner core is solid metal, while the outer core is liquid metal. Why is the inner core solid?
Pressure from the other layers.