4th Variables

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Bob wants to know which soda has the most carbonation. He bought a Mr. T, Mountain Flew, and Jow. He bought the same size of soda for each brand. He opened the lid and measured the height of the bubbles.

What is the independent Variable?

• Brand of soda

• Size of soda

• Height of bubbles

• Drinking the soda

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Bob wants to know which soda has the most carbonation. He bought a Mr. T, Mountain Flew, and Jow. He bought the same size of soda for each brand. He opened the lid and measured the height of the bubbles.

What is the dependent Variable?

• Brand of soda

• Size of soda

• Height of bubbles

• Drinking the soda

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Bob wants to know which soda has the most carbonation. He bought a Mr. T, Mountain Flew, and Jow. He bought the same size of soda for each brand. He opened the lid and measured the height of the bubbles.

What is the Constant Variable?

• Brand of soda

• Size of soda

• Height of bubbles

• Drinking the soda

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Nikki wants to know which flower has the most blooms. She bought the same size of flower. She bought a Merigold, Rose, and a Mum. After a week of watering she counted the amount of blooms each flower had.

What is the Independent Variable?

• Brand of water

• Size of flower

• Amount of blooms

• Type of flower

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Nikki wants to know which flower has the most blooms. She bought the same size of flower. She bought a Merigold, Rose, and a Mum. After a week of watering she counted the amount of blooms each flower had.

What is the Dependent Variable?

• Brand of water

• Size of flower

• Amount of blooms

• Type of flower

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Carm wants to know which restaurant has the most grease in their hamburgers. He bought the same size of hamburger from Burger Burger, Holy Cow, and Grillen. He placed each hamburger on a napkin for 10 minutes. After 10 minutes he took the hamburger off the napkin and measured the length of the grease stain left behind.

What is the Independent Variable?

• Length of grease stain

• Restaurant

• How juicy the hamburger is

• Size of hamburger

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Carm wants to know which restaurant has the most grease in their hamburgers. He bought the same size of hamburger from Burger Burger, Holy Cow, and Grillen. He placed each hamburger on a napkin for 10 minutes. After 10 minutes he took the hamburger off the napkin and measured the length of the grease stain left behind.

What is the Dependent Variable?

• Length of grease stain

• Restaurant

• How juicy the hamburger is

• Size of hamburger

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Carm wants to know which restaurant has the most grease in their hamburgers. He bought the same size of hamburger from Burger Burger, Holy Cow, and Grillen. He placed each hamburger on a napkin for 10 minutes. After 10 minutes he took the hamburger off the napkin and measured the length of the grease stain left behind.

What is the Constant Variable?

• Length of grease stain

• Restaurant

• How juicy the hamburger is

• Size of hamburger

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Carl wants to know which outdoor string lights are the brightest. He buys a string set of 25 lights. He purchases the lights from Lights Up, Outdoor Lights, and Mo Light. Carl measures the amount of light shining on the ground.

What is the Constant Variable?

• Outside

• Amount of Light

• Store lights were purchased

• How many lights in a set

Remember: Independent ~ I change

Dependent ~ Measure or observe

Constant ~ Stays the same

Carl wants to know which outdoor string lights are the brightest. He buys a string set of 25 lights. He purchases the lights from Lights Up, Outdoor Lights, and Mo Light. Carl measures the amount of light shining on the ground.

What is the Independent Variable?

• Outside

• Amount of Light

• Store lights were purchased

• How many lights in a set