Scientist vs. Engineers

 In a controlled experiment, the variable that is changed to test the hypothesis is called the ___________. 

• Controlled Variable
• Responsive Variable
• Dependent Variable
• Independent Variable

You do an experiment to discover if your pulse rate is affected by caffeine.

What is the independent variable?

• Pulse rate

• Temperature of room

• Amount of caffeine

• Amount of exercise

What is the best-selling Girl Scout cookie?

• Thin Mints
• Samoas
• Tagalongs
• Trefoils

Any factor that can change in an experiment

• variable
• constant
• independent
• dependent

Scientific Question:  Does playing video games improve reaction time?
What is the independent variable?

• playing video games
• reaction time
• type of video game

the variable that is observed at the end of the experiment

• independent variable
• dependent variable
• control variable

What do u call a pig that knows KARATE?

• Porkchop
• kid pig
• KUNG FU
• kapig

Tags

CCSS.3.OA.D.9

What belongs to you but others use it more than you do?

• Your name
• Your toys
• Your life
• Your phone

the constant

• independent variable
• dependent variable
• control variable

the responding variable

• independent variable
• dependent variable
• control variable