Scientific Method Practice

What is the independent variable in Maggie's experiment with brownies?

• The type of brownies

• The storage container

• The piece of bread

• The moistness of the brownies

Fill in the blank: In Maggie's experiment, the _______ is the constant.

• Storage container

• Piece of bread

• Moistness measurement

In Alex's flower experiment, what is the dependent variable?

• Type of flowers

• Amount of sunlight

• Growth of the flowers

• Soil type

Abbey's experiment involves testing different face washes. What is her hypothesis?

• Organic oils will reduce zits the fastest.

• Soap and water will be most effective.

• Acne wash will work best.

• All methods will have the same effect.

Jenny wants to know which type of gum holds flavor longer. What is the control group in her experiment?

• Juicy Fruit

• The new type of gum

• The time taken to lose flavor

• The average time for flavor loss

What is the experimental group in Alex's flower experiment?

• The section with roses

• The section with daisies

• The section with hydrangeas

• All flower sections

In Maggie's experiment, what is the hypothesis?

• A) Bread will keep brownies moist longer.

• B) Brownies will dry out regardless.

• C) Storage container affects moistness.

• D) Moistness is not affected by bread.

In Abbey's experiment, what is a possible threat to the accuracy of results?

• Consistent face washing

• Different face wash products

• Number of zits recorded

• Duration of each product use

What is the dependent variable in Maggie's experiment?

• the piece of bread

• moistness of the brownies

• if bread is present, then brownies will stay moist longer

• size of the brownie

Jenny's experiment involves timing how long gum flavor lasts. What is the dependent variable?

• Type of gum

• Time taken to lose flavor

• Number of chews

• Average time for flavor loss