States of Matter
This state of matter has a definite shape and a definite volume.
Solid
Cutting paper, melting ice, and breaking glass are examples of this type of change.
Physical change
Baking a cake, rusting iron, and burning wood are examples of this type of change.
Chemical Change
A combination of two or more substances in which each substance keeps its own physical properties.
Mixture
A student mixes 10 g of salt with 100 g of water. The salt completely dissolves. What is the total mass of the solution?
110 g
This state of matter has no definite shape, but it has a definite volume. Its particles can slide past one another.
Liquid
In a physical change, the identity of the substance stays the ______
Same
During a chemical change, particles rearrange to form a ______ substance.
New
This is a special type of mixture in which one substance dissolves evenly into another.
Solution
A part or piece a mixture is a...
Component
This state of matter has no definite shape and no definite volume.
Gas
This is the boiling point of water in degrees Celsius.
100 degrees Celsius
Name two pieces of evidence that show a chemical reaction took place.
bubbling, a color change, a new smell, temperature change, formation of a solid.
In salt water, the salt is the substance that gets dissolved. It is called the ______.
Solute
True or False: All solutions are mixtures, but not all mixtures are solutions.
True
This is the temperature at which a liquid changes into a solid.
Freezing Point
This is the melting point of water in degrees Fahrenheit.
32 degrees F
This law states that total mass stays the same during any physical or chemical change.
Law of Conservation of Matter
In salt water, the water is the substance that does the dissolving. It is called the ______.
Solvent
A solution is the ________ in all parts.
Same
This is the process in which a liquid changes into a gas at its surface.
Evaporation
True or False: The mass of water changes when it turns from a solid into a liquid.
False
A nail has a mass of 10 g. The nail reacts with oxygen and rusts. The mass of the rusty nail will ______ weigh 10 g.
Name two ways you can make a solid solute dissolve faster in a solvent.
Heating the solvent, stirring, or crushing the solute
Which property was used when separating the sand from the iron filings?
Magnestism