Experimental Design Practice

Isaac wants to test which brand of soap will remove grass stains the best. Which of the following is the independent variable?

• how clean the fabric is after washing

• the brand of soap

• the amount of soap used

• the amount of water used

Isaac wants to test which brand of soap will remove grass stains the best. Which of the following is the dependent variable?

• how clean the fabric is after washing

• the brand of soap

• the amount of soap used

• the amount of water used

Isaac wants to test which brand of soap will remove grass stains the best. Which of the following are things that should be kept constant? CHOOSE 2

• how clean the fabric is after washing

• the brand of soap

• the amount of soap used

• the amount of water used

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-3

NGSS.MS-ETS1-2

Brianna wants to test which design of solar oven will melt cheese the fastest. Which of the following is the independent variable?

• the type of cheese used

• the design of solar oven

• the location of the solar oven

• how long it takes the cheese to melt

Tags

NGSS.MS-PS3-3

Brianna wants to test which design of solar oven will melt cheese the fastest. Which of the following is the dependent variable?

• the type of cheese used

• the design of solar oven

• the location of the solar oven

• how long it takes the cheese to melt

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Brianna wants to test which design of solar oven will melt cheese the fastest. Which of the following Which of the following are things that should be kept constant? CHOOSE 2

• the type of cheese used

• the design of solar oven

• the location of the solar oven

• how long it takes the cheese to melt

Tags

NGSS.MS-PS3-3

NGSS.MS-ETS1-1

NGSS.MS-PS3-4

Raphael wants to know which temperature of water will dissolve a gummy bear the fastest. Which of the following is the independent variable?

• the temperature of the water

• the type of cup used

• the size and color of the gummy bear

• how fast the gummy bear dissolves

Tags

NGSS.MS-PS1-2

Raphael wants to know which temperature of water will dissolve a gummy bear the fastest. Which of the following is the dependent variable?

• the temperature of the water

• the type of cup used

• the size and color of the gummy bear

• how fast the gummy bear dissolves

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Raphael wants to know which temperature of water will dissolve a gummy bear the fastest. Which of the following should be kept constant? CHOOSE 2

• the temperature of the water

• the type of cup used

• the size and color of the gummy bear

• how fast the gummy bear dissolves

Tags

NGSS.MS-PS1-2

Jenny wants to test if drinking a sugary drink causes someone to type faster than drinking water. What is the independent variable?

• drinking water

• drinking a sugary drink

• how much water or sugary drink the person drinks

• the type of keyboard

• how fast the person types