2021 Unit 1 Biology Practice Test

What SI unit is used to measure length?

• meters

• liters

• centimeters

• kilograms

Tags

CCSS.4.MD.A.1

Convert 12 km to m

• 120 m
• 1,200 m
• 12,000 m
• 120,000 m

In a controlled experiment, how many independent variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

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

• height of the ramp
•  distance traveled by the ball
• mass of the ball
• weight of the ball

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

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 

• Type of fertilizer
• Size of sunflower
• Type of sunflower

Tags

NGSS.MS-LS1-5

What in an experiment is the thing that is measured?

• independent variable

• dependent variable

• control group

• experimental group

What does the prefix Kilo mean

• 100

• 1

• 1000

• 10,000

Convert 0.25 m to mm

• 25
• 2.5
• 250
• 0.025

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

• control
• constant
• independent variable
• dependent variable