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?
Does the rate of decay have an effect on the amount of gas produced?
Is the information about photosynthesis difficult to understand?
Which brand of stain remover is the best for getting out laundry stains?
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 food
by asking a classmate if ants are attracted to bananas
by comparing a plate of cooked brown rice to another household food such as peanut butter
by designing an experiment to test different foods and the number of ants each food attracts
by repeating the experiment at different times of day
by making quantitative observations about the number of ants found on each plate of food
by comparing a plate of cooked brown rice to another household food such as peanut butter
by designing an experiment to test different foods and the number of ants each food attracts
by repeating the experiment at different times of day
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.
The presence of fertilizer in the soil is the
.
The height of the tomato plants is the
.
The pots without fertilizer are the
.
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.
Chloe’s teacher gives her and her lab partner soil samples from different parts of the city: the park, the area next to a pond, the school, and a neighborhood. Chloe’s teacher also gives her a soil tester kit, which determines the pH of the soil. Chloe and her lab partner need to determine the pH of each soil sample and then compare them.
Fill in the blank with the word that best completes the statement.
This investigation is a(an)
investigation.
This investigation is a comparative investigation.
After watching the squirrels at the local park for several days, Sergei asks his science teacher the following question: "Do more squirrels live in maple trees or oak trees in the city park?”
Is Sergei's question a scientific question? Why or why not?