Design an Experiment

Alan and Monica tested how fertilizer X affected the growth of a plant. They put 100 grams of fertilizer X in pot 1 and O grams in pot 2. What is pot 2 called in science?

• data group

• observation group

• control group

• a test group

If you want to find the best resource to plan an investigation to see if you can make an electric current with a lemon, what would you use?

• an online encyclopedia

• a reference book on building electric circuits

• a website about citrus fruit

• life science textbook

If you are doing an experiment about the way 3 plants grow in different amounts of light, what is important to remember about observations?

• only observe one plant everyday

• observe at a different time everyday

• observe in the same way every time

• observe in a different way every time

Tags

NGSS.3-5-ETS1-3

Which of the following questions would be an appropriate SCIENTIFIC question that could be tested by experimentation?

• Which type of bread goes moldy the fastest?

• Where do we go when we die?

• Is it a sin to transplant pig hearts into humans?

• Are llamas less valuable than camels?

Tags

NGSS.MS-LS1-5

An organized procedure to study something under controlled conditions is a(n)

• observation

• field study

• model

• experiment

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

In the experiment shown, plant A received 50 mL of coke each day, plant B received 50 mL of juice, and plant C received 50 mL of water.  Every day for one week, plant growth was measured.  Which group served as the control group?

• Plant A

• Plant B

• Plant C

• There was no control group

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted (left out).

• experimental group

• control group

While PERFORMING AN EXPERIMENT, it is important to:

• change the control setup

• test many different variables at the same time

• reach a conclusion

• record observations and measurements

Tags

NGSS.MS-PS1-2

What is a factor that is measured for change in an experiment?

• control

• constant

• independent variable

• dependent variable

Tags

NGSS.MS-PS3-4

"Thomas wants to design an experiment to see if wearing Nikes makes you run faster than other shoes in a 5K race." What is the independent variable in this experiment?

• race time

• shoe brand

• Thomas

• race distance