Yaer 8 Homework Task 2 - Skills

Adam is conducting a science experiment on the effect of different environments on plant growth. He put one plant in a closet and the other plant in a window at his house. He measured the growth of each plant weekly for six weeks. He then created a graph after he reviewed his data. What is the dependent variable in Adam's experiment?

• Total Growth of Plant.

• Plant Environment

• The Effect of Different Environments

• Measurement Over Six Weeks

What axis of a graph is the independent variable used on?

• Vertical Axis

• quadrant 1

• quadrant 2

• Horizontal Axis

A scientific method should always be written in:

• bold
• numbered steps
• alphabetical order
• first person

Which recorded measurement is correct?

• 39mL

• 40mL

• 38mL

• 34.0mL

What is a hypothesis?

• An observation
• A bar graph
• Facts
• A prediction of what will happen 

The _________ is a set of specific steps that help scientists solve problems. 

• Design Process
• Scientific Method
• Dictionary
• Bar graph

Tags

NGSS.MS-PS2-2

The variable that changes as a result of the experiment and is located on the Y axis of a graph is the

• Dependent Variable

• Hypothesis

• Independent Variable

• Control

Tags

NGSS.MS-PS2-2

What is the part of an experiment that receives no experimental treatment and is a basis for comparison?

• Dependent Variable

• Control

• Independent Variable

• Constant

Mickey observed that his cat had more energy after eating a new type of cat food one night.  How can he verify that this new cat food really does improve his cat's energy?

• By collecting more data of the cat's energy with new and old food over several days
• By creating a hypothesis that the new food has more carbohydrates
• Collect more data, but use more of the old cat food than the new cat food
• Change the amount of water the cat gets with both types of food

Tags

NGSS.MS-LS1-5

What can you infer about the temperature for E.coli bacterial growth, according to the graph?

• E.coli does not grow well at low and high temperatures.

• E.coli grows the worst around 40^oC

• E.coli grows best at very low temperatures

• E.coli grows best at very high temperatures.