"Variables, Everywhere!" Reading Check (6) 23-24

Anything that can change or be measured is called a(n)

• Constant

• Variable

• Independent Variable

• Observation

How many variables can we change at a time in a controlled experiment?

• Infinity

• 3

• 2

• 1

Our class decides to set up an experiment to see if the type of soil affects the growth of a sunflower. Which of these is our INDEPENDENT variable?

• Plant Growth

• Types of Soil

• Same amount of Water, Soil, & Sun Intensity

• Same Flower Pot

Our class decides to set up an experiment to see if the type of soil affects the growth of a sunflower. Which of these is our DEPENDENT variable?

• Plant Growth

• Types of Soil

• Same amount of Water, Soil, & Sun Intensity

• Same Flower Pot

Our class decides to set up an experiment to see if the type of soil affects the growth of a sunflower. Which of these is a CONTROLLED variable?

• Plant Growth

• Types of Soil

• None of These

• Same Flower Pot

What is another name for controlled variables?

Answer explanation

Constants (what is to be kept the same for both the control group and the experimental group)

Which type of variable is known as "the cause" in an experiment?

• Dependent

• Controlled

• Independent

• Active

Which type of variable is known as "the effect" in an experiment?

• Dependent

• Controlled

• Independent

• Active

Which type of variable is the variable we can manipulate in an experiment?

• Dependent

• Controlled

• Independent

• Active

Which type of variable is the variable we measure (collect data)?

• Dependent

• Controlled

• Independent

• Active