Layla wanted to find out if temperature has an effect on the growth of bacteria. She grew the bacteria in dishes containing the same amount and type of nutrients. -One was kept at 10 C -One was kept at 99 C -One was kept at room temperature, 30 C. The dishes were examined and the growth of the bacteria was recorded each Friday for five weeks. Select the constants in this investigation: (Choose all that apply)

B. temperature of the containers

C. amount of bacteria that grew

Layla wanted to find out if temperature has an effect on the growth of bacteria. She grew the bacteria in dishes containing the same amount and type of nutrients. -One was kept at 10 C -One was kept at 99 C -One was kept at room temperature, 30 C. The dishes were examined and the growth of the bacteria was recorded each Friday for five weeks. In this investigation the independent variable is:

A. temperature of the containers

C. number of containers at each temperature

D. amount of nutrients in each container

Layla wanted to find out if temperature has an effect on the growth of bacteria. She grew the bacteria in dishes containing the same amount and type of nutrients. -One was kept at 10 C -One was kept at 99 C -One was kept at room temperature, 30 C. The dishes were examined and the growth of the bacteria was recorded each Friday for five weeks. The dependent variable in this investigation is:

A. number of containers at each temperature

C. temperature of the containers

Choose all the statements below that are stated as a hypothesis.

A. If I study 5 minutes every day, then I will do better on tests.

D. If an apple is more brightly colored, then the fruit will be juicier

C. Most grapes are red, but some are green

E. If bread contains wheat and barley it is multigrain.

Scientific Method Formal Assessment

Authored by Kristine Fowler

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7th Grade

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MULTIPLE CHOICE QUESTION

30 sec • 2 pts

1. A type of observation that describes something using characteristics.

A. Quantitative Observation

B. Qualitative Observation

C. Independent Variable

D. Constant

E. Dependant Variable

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

2. The variable that is the results of each experiment trial, what is being measured.

A. Quantitative Observation

B. Qualitative Observation

C. Independent Variable

D. Constant

E. Dependant Variable

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

3. A type of observation that uses numbers and measurement.

A. Quantitative Observation

B. Qualitative Observation

C. Independent Variable

D. Constant

E. Dependant Variable

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

4. Parts of an experiment that remain the same.

A. Quantitative Observation

B. Qualitative Observation

C. Independent Variable

D. Constant

E. Dependant Variable

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

5. The variable that is being tested in an experiment.

A. Quantitative Observation

B. Qualitative Observation

C. Independent Variable

D. Constant

E. Dependant Variable

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

6. The dog is a golden lab.

A. Quantitative Observation

B. Qualitative Observation

C. Inference

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

7. The turtle wants to eat carrots.

A. Quantitative Observation

B. Qualitative Observation

C. Inference

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Scientific Method Formal Assessment

1. A type of observation that describes something using characteristics.

2. The variable that is the results of each experiment trial, what is being measured.

3. A type of observation that uses numbers and measurement.

4. Parts of an experiment that remain the same.

5. The variable that is being tested in an experiment.

6. The dog is a golden lab.

7. The turtle wants to eat carrots.

8. The soda bottle is 2 liters.

9. It is currently 25.0 degrees celsius in the cafeteria.

10. The beaker contains a red liquid.

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