Nature of Science

Which of the following best describes the scientific method?

• Question; Research; Hypothesis; Experiment; Analysis; Communicate

• Question; Hypothesis; Experiment; Communicate

• Question; Guess; Communicate

Jennifer wanted to study the effect of sunlight on plant growth. So she decided to expose 10 identical plants to various amounts of sunlight each day (2 hours, 3 hours, 4 hours, 5 hours, and 6 hours). After one month, she measured the weight of the plants. What was the independent variable?

• Hours of sunlight

• Plant weight

• Type of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Jennifer wanted to study the effect of sunlight on plant growth. So she decided to expose 10 identical plants to various amounts of sunlight each day (2 hours, 3 hours, 4 hours, 5 hours, and 6 hours). After one month, she measured the weight of the plants. What was the control?

• Hours of sunlight

• Plant weight

• Type of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Scientific theories...

• describe.

• explain.

Tags

NGSS.HS-LS4-1

Scientific laws...

• describe.

• explain.

Tags

NGSS.HS-PS2-1

Scientific laws usually describe a general phenomenon in nature using a mathematical formula.

• True

• False

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

In science, all claims must be...

• tested using many experiments before being accepted by the community.

• accepted to be true because they are popular.

• written by famous scientists.

• randomly generated.

Tags

NGSS.MS-LS2-4

Jennifer wanted to study the effect of sunlight on plant growth. So she decided to expose 10 identical plants to various amounts of sunlight each day (2 hours, 3 hours, 4 hours, 5 hours, and 6 hours). After one month, she measured the weight of the plants. What was the dependent variable?

• Hours of sunlight

• Plant weight

• Type of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What does the prefix kilo- represent?

• 1000

• 10

• 0.01

• 0.000001

What does the prefix centi- represent?

• 1000

• 10

• 0.01

• 0.000001