Final Review Sci Meth & Macro Mols

Mr. G. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Which is correct?

• The dependent variable is total cost
• The dependent variable is weight
• The independent variable is total cost
• The independent variable is cost of a package

Which of the following best describes the motion of the squirrel between 5 s and 8 s? 

• The squirrel's speed increased.
• The squirrel's speed decreased.
• The squirrel's speed did not change.
• The squirrel moved backward.

The air quality of how many major cities was measured & displayed in this graph?

How much does it cost to have your lawn mowed for 2 hours?

• $16
• $17
• $18
• $19

What is the dependent variable in this plant growth graph?

• Time in weeks

• Plant growth in cm

• The amount of water

• The amount of sunlight

What is the independent variable?

• Type of fertilizer

• Average plant height

• The effect of fertilizer on plant height

• The effect of plant height on fertilizer

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

What are the monomers of Proteins?

• Amino Acids
• Fatty Acid & Glycerol
• Monosaccharide
• Nucleotide