This force occurs when one object slides on another.
What is friction?
100
This important test told us that the baking soda changed when heated.
What is the tea test?
100
This type of graph is useful when compiling and comparing data from many different lab groups.
What is a histogram?
100
The number of characteristic properties needed to confirm two substances are identical.
What is three?
100
This is the first step of sludge.
What is making a plan?
200
Newton's first law explains this important concept of physics.
What is inertia?
200
Placing an ice in a closed jar and massing it, then allowing the cube to melt and massing the jar again proved this important scientific concept to be true.
What is the law of conservation of mass?
200
This measurement or unit is typically found on the x axis on velocity vs. time graphs.
What is time?
200
Mass is an example of this type of property.
What is property of an object?
200
This characteristic property helps to separate oil and vinegar using a pitcher with spouts at different heights.
What is density?
300
This force keeps you from falling through your chair.
What is normal force?
300
When measuring density in a lab, you should definitely take the time for this.
What is testing the density more than once and averaging the results?
300
Flat lines on temperature vs. time graphs when heating a substance indicate this.
What is a phase change occurring?
300
Filtration is used to separate substances based on this property.
What is solubility?
300
A mixture of powdered citric acid and sugar can be separated by adding this solvent.
What is alcohol?
400
The metric unit of force.
What is newtons?
400
A change you can make to increase the solubility of a solid in liquid.
What is increase temperature?
400
A graph of solubility vs. temperature would look wildly different for these two types of matter.
What are solids and gases?
400
This characteristic property is the point at which a liquid turns to a gas.
What is boiling point?
400
If fractional distillation occurs, this is how you figure out if each fraction is pure.
What is re-distillation?
500
All objects in free fall accelerate at this rate.
What is 9.8 meters/s2?
500
Paper chromatography separates pigments by using this property.
What is the size of the molecules?
500
Acceleration is the slope of this type of graph.
What is velocity vs. time?
500
On the top of a mountain, the boiling point of water will be altered in this way.
What is decrease?
500
This dissolved solid component in sludge was the most difficult to separate.