Experimental Variables

You use the scientific method all the time to solve everyday problems.

• True
• False

Tags

NGSS.MS-LS1-5

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.

When making an observation, you must use...

• Only Sight
• Smell & Touch
• ALL 5 Senses
• Only Taste

Tags

NGSS.MS-LS1-8

The variable that I change is the ...

• independent variable
• dependent variable
• control variable
• uncontrolled variable

The variable that I measure is the ...

• independent variable
• dependent variable
• control variable
• uncontrolled variable

A variable that I keep the same is the ...

• independent variable
• dependent variable
• control variable
• uncontrolled variable

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 is best for plant growth?" 

• height of plant (cm)
• type of medium (soil vs. sand)
• amount of medium
• types of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

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

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-PS3-4