Scientific & Engineering Practices #2

What is the scale on this graduated cylinder?

• .1 mL per line
• .2 mL per line
• .5 mL per line
• 1 mL per line

What is the mass on the triple beam balance? 

• 206.0
• 260.0
• 200.6

Tags

NGSS.5-PS1-2

What is the mass on the triple beam balance? 

• 206.0
• 260.0
• 200.6

Mr. Frankline filled a bucket with water to clean his floor.  Does his bucket probably have 9 L or 9 mL?

• 9 L
• 9 mL

1. Place 20 spinach leaves into the container

2. Put the carbon dioxide sensor in and close the container

3. Turn on the light and wait 20 minutes

4. Check the carbon dioxide levels

5. Repeat experiment with different amounts of time under the light

What is the DV (dependent variable)?

• amount of light

• amount of spinach

• distance from the light

• amount of carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Sara and Emma decided to keep track of the kinds of trash they collected on the beach. They made this bar graph with their data. What is plotted on the x-axis?

• amount of each kind of trash

• type of trash

Which of the following hypotheses would be supported by the data in this experiment?

• If plants are grown in different temperatures, the warmer temperature will result in less plant growth.

• If plants are grown in different temperatures, the warmer temperature will result in more plant growth.

• If plants are watered with different substances, the water will result in less plant growth.

• If plants are watered with different substances, the water will result in more plant growth.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What would be one way to improve this experiment?

• grow different types of plants for each temperature

• grow the plants in different soil conditions in each group

• check the plants 10 times a day for growth

• add more test groups at a wider variety of temperatures

Which would be a suitable scientific question from phenomena?

• Why is the mountain wearing a hat?

• Why is the sky blue?

• Does this cloud formation occur in winter only?

• How are those clouds formed?

Investigation: How will music affect student results on exams? To test it: Put 20 students in a quiet room taking a test. Put another 20 students in a different room with music playing. What is the independent variable?

• 20 students in quiet room

• 20 students in music room

• exam results

• music playing