Scientific Inquiry

Question 1

Maria wants to enter the science fair at her school. She has a list of ideas for her project. Which questions could be answered through scientific investigation? Check all that apply.Which marine biologist is the smartest?Does the rate of decay have an effect on the amount of gas produced?Is the information about photosynthesis difficult to understand?Which laboratory experiment is the most fun to perform?Which brand of stain remover is the best for getting out laundry stains?

Revolt · Accepted Answer

B: Does the rate of decay have an effect on the amount of gas produced?; E: Which brand of stain remover is the best for getting out laundry stains?

Question 2

Hannah conducts an investigation to determine if adding fertilizer to the soil helps tomato plants grow taller. She puts 20 tomato plants in individual pots and adds an equal amount of soil to each pot. All 20 plants are the same height at the beginning of the investigation. She adds the same amount of fertilizer to the soil of 10 pots. Hannah measures the height of each plant once a day for 15 days.

Revolt · Accepted Answer

The presence of fertilizer in the soil is the .: independent variable; The height of the tomato plants is the .: dependent variable; The pots without fertilizer are the .: control group

Question 3

Use the drop-down menus to match each part of the scenario to the correct scientific practice.

Revolt · Accepted Answer

C: ✔ collecting data

Question 4

In a laboratory, Carlos places one plate with grape jelly and another plate with cooked brown rice inside an ant farm. The next day, he finds that both plates are filled with ants. Carlos wonders if there are certain household foods that are more effective than others at attracting ants. How could Carlos use the scientific inquiry process to determine which foods are most effective at attracting ants? Check all that apply.by making quantitative observations about the number of ants found on each plate of foodby asking a classmate if ants are attracted to bananasby comparing a plate of cooked brown rice to another household food such as peanut butterby designing an experiment to test different foods and the number of ants each food attractsby repeating the experiment at different times of day

Revolt · Accepted Answer

A: by making quantitative observations about the number of ants found on each plate of food; C: by comparing a plate of cooked brown rice to another household food such as peanut butter; D: by designing an experiment to test different foods and the number of ants each food attracts

Question 5

Hannah conducts an investigation to determine if adding fertilizer to the soil helps tomato plants grow taller. She puts 20 tomato plants in individual pots and adds an equal amount of soil to each pot. All 20 plants are the same height at the beginning of the investigation. She adds the same amount of fertilizer to the soil of 10 pots. Hannah measures the height of each plant once a day for 15 days.

Revolt · Accepted Answer

C: ✔ independent variable

Question 6

⇒ comparative

Revolt · Accepted Answer

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Question 7

asking a question✔ performing an investigationcollecting dataproviding explanations communicating results

Revolt · Accepted Answer

B: ✔ performing an investigation

Question 8

control group✔ dependent variableindependent variable

Revolt · Accepted Answer

B: ✔ dependent variable

Question 9

asking a questionperforming an investigationcollecting dataproviding explanations ✔ communicating results

Revolt · Accepted Answer

E: ✔ communicating results

Question 10

✔ control groupdependent variableindependent variable

Revolt · Accepted Answer

A: ✔ control group

Scientific Inquiry Answers

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