Scientific Inquiry Test: Part Two

Mrs. Smith's biology class tested the function of the enzyme amylase at various pH levels and recorded the data in a graph.

According to the results, what is the optimum (best) pH for amylase?

• 1

• 5

• 7

• 14

Which type of graph would be MOST appropriate to show the percentage of students who ride the bus, walk, ride with a parent, or ride a bike to get to school?

• Pie graph

• Scatter plot

• Bar graph

• Line graph

Tags

NGSS.MS-PS3-1

When using graphs with an X and Y axis, the independent variable always goes on the _____ axis.

• Y

• X

Tags

NGSS.MS-PS3-1

Ms. Gordon is testing what type of candy the middle school likes best. She buys three types of candy and asks the students to choose their favorite type out of a bowl.

What is an example of a hypothesis for Ms. Gordon's experiment?

• The chocolate candy was liked the best

• Jolly Ranchers are the eighth graders favorite candy

• In the middle school, 10 students liked chocolate best, 15 liked starburst best, and 20 liked smarties the best

• If more students choose chocolate candy, then the middle school likes chocolate the best

Ms. Gordon is testing what type of candy the middle school likes best. She buys three types of candy and asks the students to choose their favorite type out of a bowl.

What is an example of a conclusion for Ms. Gordon's experiment?

• The chocolate candy was liked the best

• A graph showing the amount of candy chosen

• Which candy do middle school students like best?

• If more students choose chocolate candy, then the middle chool likes chocolate the best

Kemiyah conducted an experiment. She then created a bar graph representing her results. What step of the scientific method is she doing?

• Making a hypothesis

• Doing background research

• Recording datq

• Stating if the hypothesis is wrong

Tags

NGSS.MS-PS3-1

The variable that might be affected by change made to the independent variable is:

• Hypothesis

• Constant

• Dependent Variable

• Conclusion

Identify the independent variable in the hypothsis: If the water is warm then the rate at which the sugar dissoves in the water will be faster, because warm water can dissolve molecules quicker.

• Rate at which the water dissolves

• Water's temperature

Tags

NGSS.MS-PS1-4

Sponge Bob set up an experiment. He made two types of cookies and determined which his friends lied better. What was the question he was trying to answer?

• How do you make cookies?

• Do his friends like cookies?

• What cookies taste the best?

• How do you design and experiment?

The thing in a scientific investigation that is changed on purpose is called the:

• Dependent variable

• Independent variable

• Controlled variable