Identifying Variables Modified-Quiz #2

In the Deformation Lab, what is the independent variable?

• the amount of applied force

• the amount of deformation

Read all the options below and check which ones were control variables in the Deformation Lab.

• using cm to measure the height of the stick

• spring scale

• bricks

• duct tape

• brand of wooden stick

Tags

NGSS.MS-PS2-2

Michael wanted to see what kitchen cleaner worked best for cleaning her counters. He used Lysol, Clorox, Pinesol, and just water. For each cleaner, he put 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped with one paper towel. What is the independent variable?

• amount of grape juice

• type of kitchen cleaner

• how well the grape juice stain was removed from the counters

• the time it took to clean the counter top

Michael wanted to see what kitchen cleaner worked best for cleaning her counters. He used Lysol, Clorox, Pinesol, and just water. For each cleaner, he put 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped with one paper towel. What is the dependent variable?

• how well the grape juice stain was removed from the counters

• type of kitchen cleaner

Tags

NGSS.MS-PS1-2

Michael wanted to see what kitchen cleaner worked best for cleaning her counters. He used Lysol, Clorox, Pinesol, and just water. For each cleaner, he put 5 milliliters of grape juice on the counter, sprayed the cleaner, and wiped with one paper towel. What would the control group be for this experiment?

• counter top that received the Lysol cleaner

• counter top that didn't receive any grape juice

What do you call the one thing you change for each test in an experiment/investigation?

• independent variable

• dependent variable

What do you call what responds to the change and is measured during an experiment/investigation?

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

What do you call everything that stays the same in an experiment/investigation?

• control group

• controlled variable

Tags

NGSS.MS-PS2-2

What do you call the part of the experiment that was not tested with the independent variable?

• control group

• controlled variable

Katiana wanted to figure out what type of liquid worked best for growing beans. She watered one with coca-cola, one with lemonade, and one with just water. After one week, she measured how high they had grown. What is the independent variable?

• Plant growth

• Type of liquid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1