Review for Chemistry

What is volume?

• The distance around a 3D object

• The amount of space that matter takes up

• The amount of space on the surface of a 3D object

_______________is the amount of matter in an object.

• mass

• volume

• weight

Unit of length

• Liter

• Meter

• Gram

Basic unit of Mass

• Meter
• Liter
• Gram

What is the factor that an experimenter changes on purpose?

• Dependent Variable
• Independent Variable
• Constant
• Control

What is a factor that is measured for change in an experiment?

• control
• constant
• independent variable
• dependent variable

The part of the experiment that does not contain the independent variable. Used for comparison.

• Control Group
• Experimental Group
• Results
• Data

What are all the things that are kept the same in an experiment?

• controls
• data
• constants
• independent variables

What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?

• salt water
• height
• average
• effect

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative
• qualitative