Measurement

What is a variable?

• What is being measured during an experiment

• The colors of the rainbow

• a partially chewed packed of Skittles

What is Independent VARIABLE?

• Variables that remain constant

• A variable that is changed in an investigation.

• A variable that is observed in an investigation.

Tags

NGSS.MS-PS2-2

A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the independent variable?

• type of cleaner

• tap water

Tags

NGSS.MS-ETS1-3

How many milliliters is this? 

• 500mL
• 700mL
• 650mL
• 550mL

Which is the mass of the apples?

• 2kg
• 3kg
• 1kg
• 4kg

What would you use to measure this cow?

• Grams
• Kilograms

Tags

NGSS.5-PS1-2

What is the length of the straw?

• 8 cm 
• 0 cm 
• 7 cm 
• 1 cm 

What is the length of the key?

• 2 cm
• 0 cm
• 4 cm
• 1 cm

_{How many inches is the blue crayon?}

• 3 inches
• 2 inches
• 4 inches
• 5 inches

^{How long is the paper clip?}

• 1 inch
• 3 inches
• 2 inches