scientific investigation

Which variable may change and probably will change in the experiment, but "I" don't change it?

• Independent variable
• Dependent variable
• Constant

Which variable do "I" change intentionally?

• Independent variable
• Dependent variable
• Constant
• s

Tags

NGSS.MS-PS2-2

That this animal has fur is an...

• inference
• conclusion
• observation
• opinion

The number of apples in this basket is ______________________ data?

• quantitative
• qualitative
• independent
• dependent

What can you infer about the temperature for E.coli bacterial growth?

• E. coli does not grow well at low and high temperatures.
• E coli will continue to grow at very high temperatures.
• E.coli grows best at very low temperatures
• E.coli grows best at very high temperatures.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

A biology class of 24 students decides to measure the height of each student and then calculate the average height for the class. Which of these is a possible source of error in this activity?

• The number of males and females in the class
• The difference in the ages of the students in the class
• The total number of students in the class
• The accuracy of making and recording measurements

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

Data that is observed using your 5 senses and is described through the use of WORDS is...

• Quantitative Data
• Qualitative Data

In my plant experiment, one plant got fertilizer and one did not.  The one that did not receive the independent variable is the plant I will compare to the plant that got the IV.  What is that variable?

• Independent Variable
• Dependent Variable
• Constant
• Control

A good experiment has several characteristics. Which characteristic is part of a good scientific experiment?

• Results can be reproduced.

• Results are NOT reviewed by peers.

• Results are based on a small sample size.

• Results are based on an undisclosed process or procedure.

Tags

NGSS.MS-PS1-2