When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

NGSS.MS-LS2-4

An inference

• can be an opinion

• is explaining an observation

• is the third step in the scientific method

• is stating a quantity

What are the last three steps of the scientific method?

• collect data, analyze data, draw conclusions and communicate results

• hypothesis, experiment, procedures

• problem, observation, research

• independent, dependent and control variables

Tags

NGSS.MS-PS1-2

An observation is

• the same as an opinion

• only uses what you see with your eyes

• using one of your senses to gather information

• compares data to reach a conclusion

Tags

NGSS.MS-LS1-8

What type of statement is a hypothesis?

• accept or reject

• If....Then

• qualitative

• I think...because

Which variable needs to stay the same?

• independent

• dependent

• controlled

• extraneous

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Mrs. Wheeler wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the controlled variable?

• Study Times

• Test Scores

• Same Assignment

Tags

NGSS.MS-PS2-2

What is a hypothesis?

• educated guess

• guess

• I think statement

• the question

What is the first step of the Scientific Method?

• question

• research

• hypothesis

• experiment

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

Tags

NGSS.MS-LS4-4