Variables

the ONE variable that is changed or manipulated

• control

• independent

• dependent

• super variable

dependent variable

• the one variable that is changed/manipulated

• the group that is kept the SAME

• what is being measured/observed, the DATA

Sarah is participating in a walkathon to raise money for local literacy programs. The amount of money Sarah will raise depends on the distance she walks.
m = the amount of money Sarah will raise
d = the distance Sarah walks
Which of the variables is dependent?

• m
• d

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Tags

CCSS.6.EE.C.9

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 fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

CCSS.HSF-LE.A.1C

Does the type of popcorn affect the amount of kernels left over?Which hypothesis is incorrect?

• If the subject pops Extra butter popcorn, then extra butter popcorn will have the most kernels left over.
• If the subject pops Kettle corn popcorn, then kettle corn popcorn will have the most kernels left over.
• If the subject pops butter popcorn, the butter popcorn will have the least amount of kernels.

Which hypothesis is written corrctly?

• If the amount of sleep is changed then 8hrs will help you do better in class.

• If the amount of sleep is changed then it will affect how you do in class.

• I think the amount of sleep will affect how you do in class.

Using one or more of your senses to gather information is called

• Inferring

• Observing

• Predicting

• Hypothesizing

Tags

NGSS.4-LS1-2

Observations that deal with a number or amount are called

• qualitative

• quantitative

Tags

NGSS.5-ESS2-2

NGSS.5-PS1-2

The Skittles are yellow, red and green is an example of _____.

• qualitative observations

• quantitative observations

• hypothesis