Daniels - Identifying Variables

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

NGSS.MS-PS2-2

The variable that you measure is the -

• Independent Variable

• Dependent Variable

• Constant
• Repeated Trial

Tags

NGSS.MS-PS3-4

What is the dependent variable (effect) is this experiment?

"Does eating breakfast improve test score?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

What is the independent variable (cause) is this experiment?

"Which type of medium (soil or sand) is best for plant growth?"

• height of plant (cm)

• type of medium (soil or sand)

• amount of medium (soil or sand)

• types of plant

Tags

NGSS.MS-LS1-5

What is the dependent variable (effect) in this experiment?

"Do tall people jump further than short people?"

• height of the person

• weight of the person

• how fast the person runs

• how far the person jumps

Tags

NGSS.MS-PS2-2

What is the independent variable (cause) in this experiment?

"Which type of metal, copper or aluminum, conducts heat faster?"

• size of metal

• types of metal

• time it takes to heat up

• shape of the metal

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Janet wants to see whether drinking coffee will improve productivity. What is the independent variable in this experiment (cause)?

• increase productivity

• Having coffee or not

• the brand of coffee

• the time drinking the coffee

A factor or condition that is kept the same is called the

• constant

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the water?

• Dependent
• Independent
• Constant

Tags

NGSS.MS-LS2-1