Matter
What scale do we use to measures acids and bases?
the pH scale
How does a magnet work to separate substances?
Magnets pull out the metal from the solutions.
Please list 4 Chemical Properties we can use to describe substances.
Size
Shape
Colour
State
Texture
Lustre
Hardness
What is the closest planet to the sun?
Mercury
Which state of matter has particles the furthest apart?
What number on the scale indicates a NEUTRAL solution?
7
A tool with different sized holes to separate solids.
What is the difference between a pure substance and a mixture?
Pure Substance = One Substance
Mixture = Made up of more than one substance
Name an animal with the following names:
Male: Boar
Female: Sow
Bear
Pig
Hog
The space something takes up
What numbers would indicate a base on the scale?
AND
What number would be the most basic.
8-14
14
Using a thin page of paper to separate solids from liquids
What are 5 laboratory rules we discussed
Answers will vary
What is the name of Mr. Brown's cat
Tulo
Explain Density
Pour an acid or base of the opposite power on top.
neutralize it.
How can we separate liquids from each other?
Distillation
Density Funnel
What are the difference between an Irreversible Change and a Reversible Change?
Irreversible = Can't go back (burning fuel, cooking)
Reversible = can go back. (melting snow, mixing salt and water)
Andy
What is the difference between Weight and Mass?
Weight: The pull of gravity on that mass
What ARE acids and bases?
What are they made of?
Acids contain hydrogen ions
Bases contain hydroxide ions
How does distillation work?
Liquids are separated based on their boiling points.
Manipulate Variable
Responding Variable
Controlled Variable
Manipulated: The variable that is changed
Responding Variable: Variable we measure
Controlled Variable: keep the same
Name two ways to tell the difference between a Mule Deer and a Whitetail Deer?
Antlers
Rear End