What three physical properties apply to all substances?
Mass, Volume, Density.
100
A combination of two or more substances that keep their original properties.
A mixture
100
A change in which one or more new substances are formed.
Chemical Change
100
A substance that turns red litmus paper blue.
A Base.
200
The amount of space something takes up.
Volume
200
A change that does not make a substance into a new substance.
Physical change
200
A mixture in which all the substances are evenly distributed.
A Solution
200
The ability of a substance to go through a chemical change.
Reactivity
200
A substance that turns blue litmus paper red.
An Acid.
300
A property that involves a property by itself.
Physical Property
300
How do you find the density of an object?
Divide the object's mass by its volume.
300
A mixture that contains particles that are too small to be seen.
A colloid
300
The ability of a substance to resist entering into a chemical change is called its_______________.
Stability.
300
If Rachel drops a liquid on blue and red litmus paper and nothing happens what is the liquid?
The liquid is neutral.
400
A property that involves the ability of a substance to react with other materials.
Chemical Property
400
The ability of a substance to dissolve is called what?
Solubility
400
If you put fruit salad in blender will it still be a mixture? Explain.
Yes, because the fruits still have their properties and nothing new has formed.
400
Micah is reading the warning on a drain-cleaning product. It says that the product is a strong base. What is likely to be the pH of the drain cleaner? 2____8____6_____12
12
500
A measure of the strength or weakness of acids and bases.
pH scale
500
Look at the table on the board. Which substances will float on Olive Oil? Why?
Helium, Air, and Wood. Because they have a lower density. Least dense is on top.
500
Why do you think many juices and medicines have directions telling yo to shake them well before using?
They are suspensions
500
What type of chemical reaction is on the board?
A double-replacement reaction
500
Suppose you have red cabbage juice. You add detergent and the water turned green. What is do you think the red cabbage juice is?