Chemistry Quiz week 1

What is the primary focus of chemistry? Answer: The material of the universe (or the (a)   ) and the changes it undergoes.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What do we use to primarily/mainly use in Chemistry lab to make an observation?

• Smell

• Taste

• Sight

• Hearing

What is the next step if the hypothesis is not proven?

• Restart the experiment after doing more research

• Publish the findings

• Create a theory or law

• Ignore the results

Tags

NGSS.MS-PS2-5

What is the role of the independent variable in an experiment?

• It is measured

• It is kept the same

• It is changed

• It is observed

Tags

NGSS.MS-PS3-1

Olivia is conducting an experiment to see how the amount of sunlight affects plant growth. What is the dependent variable in this experiment?

(a)  

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the purpose of the control group in an experiment?

• To introduce new variables

• To measure the dependent variable

• To compare the results with the test group

• To change the independent variable

Which of the following is NOT an example of qualitative data?

• The color of the leaves

• The height of the plant

• The odor of the plant

• The shape of the leaves

Look at the table and match the following correctly: independent variable, dependent variable, and constants.

• Constants

• Time to dissolve

• Dependent variable

• Stirring/mass of salt

• Independent variable

• Rate of dissolution

• Constants

• Surface area/ amount of water

Tags

NGSS.MS-PS3-4

Click on the picture to zoom in: Imagine you are in a chemistry lab. You see a group of students performing experiments. Which student is following all lab safety rules?

• H

• A

• E

• G

• D

What is this?

(a)  

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3