Science Review: Tools, Safety, Matter

Which of the following mixtures could be separated by using only evaporation?

• sugar and salt

• oil and water

• sand and gravel

• sugar and water

Tags

NGSS.MS-PS1-2

Which mixture would you use a strainer and a magnet to help you separate the mixture?

• liquid soap, corn oil, lemon juice

• wooden beads, glass beads, iron beads

• pumpkin seeds, dried beans, salt

• corn oil, wooden beads, salt

Tags

NGSS.3-PS2-4

Which piece of safety equipment should a student use when mixing chemicals together?

• a beaker

• a hand lens

• a burner

• goggles

Which mixture can you separate using a magnet?

• plastic cups and paper cups

• aluminum cans and iron cans

• wooden blocks and plastic blocks

• rubber erasers and pencil leads

Tags

NGSS.MS-PS2-3

What tool would you use to closely observe the legs of a ladybug?

• a triple beam balance

• a graduated cylinder

• a ruler

• a hand lens

Which piece of equipment would be used for safety when using a hot plate to boil water for an evaporation experiment?

• a ruler

• gloves

• a microscope

• a compass

True or False: It is not safe for a student to clean up broken glass, a chemical spill, or a shattered thermometer without seeking help from the teacher.

• true

• false

Which Object has the greatest mass?

• Marble

• Glass

• Washer

• Penny

What tool do you use to measure length?

• ruler

• thermometer

• magnet

• balance

What can you tell about object A?

• Object A is more dense than Object C.

• Object A has the same density as Object B.

• All 3 objects have the same density.

• Object A is less dense than Object C.