Scientific Investigation Review

Which of the following choices is the correct order of steps in the scientific method?

• Hypothesize - draw conclusions - experiment - analyze data

• Analyze data - hypothesize - experiment - draw conclusions

• Hypothesize - experiment - analyze data - draw conclusions

• Hypothesize - analyze data - draw conclusions - experiment

Tags

NGSS.MS-PS1-2

When graphing your results, which variable in the experiment should go on the x-axis?

• Independent variable

• Dependent variable

• Control variable

• constant

A student wants to examine whether the average height in her class differs between males and females. What kind of graph, a bar or a line, would she use to display her data?

• bar graph

• line graph

1)Crabs eat snails, and snails eat algae. Jane wants to determine whether the presence of a crab affects how much algae the snails will eat. She places algae and snails in 6 buckets, then adds a large crab to 3 of them. After 2 weeks, she measures the remaining weight of algae in each bucket. What is the dependent variable in Jane’s experiment?

• presence of crab

• amount of food

• size of crab

• amount of snails

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

1)Crabs eat snails, and snails eat algae. Jane wants to determine whether the presence of a crab affects how much algae the snails will eat. She places algae and snails in 6 buckets, then adds a large crab to 3 of them. After 2 weeks, she measures the remaining weight of algae in each bucket. What is the control in Jane’s experiment?

• Buckets with crab

• Buckets without crab

• size of crab

• amount of snails

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Crabs eat snails, and snails eat algae. Jane wants to determine whether the presence of a crab affects how much algae the snails will eat. She places algae and snails in 6 buckets, then adds a large crab to 3 of them. After 2 weeks, she measures the remaining weight of algae in each bucket. What is the dependent variable?

• size of crab

• weight of algae

• weight of snails

• amount of snails

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is not a characteristic of life?

• made of cells

• respond to the environment

• maintain homeostasis

• ability to move

Tags

NGSS.HS-LS1-3

Jeremy wanted to study the feeding behavior of brook trout. Which of the following should Jeremy do?

• Collect some brook trout and watch them feed in an aquarium

• Observe the brook trout living in the Roanoke River for 1 year.

• Ask a local fisherman about brook trout behavior

• Observe some bass and make inferences about brook trout behavior

Tags

NGSS.MS-LS2-1

A scientific theory does not become a scientific law.

• true

• false

What is the independent variable?

• days in June

• size of ladybug population

• size of red mite population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4