SM Quiz

What is hypothesis?

• An Inference

• An Observation

• An educated guess that you can test

• 5 senses

It is the group that is left alone during the experiment

• Control

• Independent variable

• dependent variable

• constant

Formula for density

• m=dxv

• v=m/d

• d=m/v

• d=v/m

Helena decides to clean her bathroom. She notice that the shower is covered in a strange green slime. She decides to try to get rid of this slime by adding lemonade. She sprays half of the show that still in the shower.

Identify the independent variable of this experiment. ( It is the variable that the scientist is testing)

• water

• green slime

• lemonade

• shower

You water three sunflower plants with salt water. A fourth plant receives pure water. After a two-week period, the height of the sunflowers is measured. Identify the dependent variable of this experiment. ( It is the variable that is measured)

• sunflower plant

• height of sunflower plants

• salt water

• two-weeks period

Tags

NGSS.MS-LS2-1

The table is black. This is an example of ...

• Observation

• Inference

• Dependent variable

• Control Group

The temperature of the room increases by 8C. It is an example of ...

• Qualitative Data

• Quantitative Data

• Independent Variable

• Control

Tags

NGSS.MS-PS1-4

It is a graph that uses lines to connect individual data points.

• Bar graph

• Pie Chart

• Line graph

• pictograph

Tags

NGSS.MS-PS3-1

Second Step of the Scientific Method.

• Question

• conclusion

• Hypothesis

• collect data

Observe the bar graph and answer : How many people likes Romance movies?

• 4

• 5

• 10

• 6