Chem Separating Mixtures

Name the separation method that causes wet clothes on a clothes line to dry

• Chromatography
• Filtration
• Distillation
• Evaporation

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

Water and alcohol are easily separated by distillation because of their

•  different melting points
• different colours
• different densities
• different boiling points

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

To separate a mixture of soil and water what separation method is used?

• Filtration
• Distillation
• Chromatography
• Evaporation

To separate a mixture of salt and water what separation method is used?

• Filtration

• Distillation

• Centrifuging

• Evaporation

In a coffee machine, the ground coffee is separated from the coffee solution by using..

• sand paper

• filter paper

• toilet paper

• tissue paper

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Where the experiment took place.

Tags

CCSS.6.EE.C.9

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Who set up the experiment (Ms. S, etc)

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

Alexandra is testing the quality of her Nikon camera against the camera on her iPhone.  The different cameras is the __ variable.

• constant (same)
• dependent (measured)
• independent (changes)

Tags

CCSS.HSS.IC.B.3