Smith PostSLO 22-23

Real Name and Class Period?

(a)  

A way to display data that have been collected will be to use a ____.

• balance

• data table

• microscope

• graduated cylinder

Tags

NGSS.MS-PS3-1

3. Which is NOT a good testable hypothesis statement?

• If the temperature of the hive increases, then the hatching rate will increase.

• If they are female, then they drink coffee.

• If the volume of an object increases, then the rate at which it falls through the air decreases.

Tags

NGSS.MS-ETS1-3

Using the graph, what will be the testable question that the scientist used  before they collected data?

• Are there more earthworms in the soil in the spring or in the fall?

• What is the effect of plowing soil on the number of earthworms?

• How is the size of earthworms affected by the seasons?

• Does plowing soil affect how fast earthworms grow?

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

A scientist who wants to study the effects of a new fertilizer on plants would  probably ___.

• Give each experimental group the same amount of the fertilizer.

• Not worry about measuring the amount of fertilizer used.

• Include a control group that received no fertilizer.

• Use different numbers of plants in each group.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-LS2-1

The temperature of water affect the time it takes a sugar cube to dissolve.  What are the independent and dependent variables in the statement?

• Independent Variable: Type of water Dependent Variable: Dissolving rate

• Independent Variable: Temperature of water Dependent Variable: Type of sugar cube

• Independent Variable: Temperature of water Dependent Variable: Dissolving Rate

• Independent Variable: Time Dependent Variable: Number of sugar cubes

Tags

NGSS.MS-PS1-4

Which of the following would be a qualitative observation?

• the color of eggs

• the number of eggs

• the temperature at which eggs boil

• the time it takes eggs to boil

Which of the following should NOT be allowed to happen in the science lab?

• If you break something, DON'T clean it up.

• Always follow the teacher's instructions.

• If you don't understand, ask questions.

• Never play in the lab.

While working in the lab, Joe notices that Dave takes out some candy from his  pocket. Why must Joe remind Dave not to eat anything in the lab?

• eating in the lab can distract others

• eating in the lab is dangerous, because of chemicals

• eating in front of your classmates might make them hungry

A sample that is treated exactly like the other experimental groups except that  the variable is not applied to it is a (n) ____.

(not changed)

• observation

• variable

• control

• hypothesis