Science Benchmark Review 1

The diagram above shows one container with oil and water and another with oil and a cork. Which diagram below shows what most likely would happen if oil, water, and the cork were all put in the same container?

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Tags

NGSS.MS-PS1-2

Which of these is a good conductor of electricity? 

• Glass
• Metal
• Rubber
• Plastic

Two wires carrying electricity can create a spark if they come to close to each other. What is a good insulator for this?

• Plastic can melt if it gets heated.

• Plastic is a good insulator.

• Plastic is a good conductor.

• Plastic is softer than wire.

Which one of these is NOT soluble in water?

• oil

• salt

• honey

• sugar

Tags

NGSS.MS-PS1-2

Which mixture could be separated using a magnet?

• Pepper and sugar

• pebbles and marbles

• Sand grains and seashells

• iron filings and pepper

Tags

NGSS.MS-PS2-3

Which mixture maintained its physical properties?

• Pebbles and sand, sand and water, water and salt, salt and iron filings.

• Sand and water, water and salt, salt and iron filings

• Pebbles and sand, sand and water, salt and iron filings

• Pebbles and sand, salt and iron filings

Tags

NGSS.MS-PS1-2

Student measured 100ml of water and poured it inside a beaker. The teacher then asked the students to place 50 ml of water in the freezer and 50 ml of water in a hotplate for 20 minutes. What did the students most likely observe after 20 minutes

• The water in the freezer became a solid while the water on the hotplate evaporated

• The water in the freezer stayed a liquid, while the water on the hotplate was boiling

• The water in the freezer "disappeared: while the water in the hotplate stayed a liquid

• Both the water in the freezer and the hotplate keep the same state of matter

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

NGSS.MS-PS3-5

A child took a container of ice cream out of a freezer and placed it on a counter for an hour. Which statement equation shows what happened to the ice cream?

• Liquid- Heat = Solid

• Solid + Heat = Liquid

• Liquid + Heat = Gas

• Solid - Heat = Gas

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

what is solubility?

• ability of a solid to dissolve in a liquid.

• liquids dissolving in a solid.

• ability of a liquid to dissolve in a solid

Density is...

• an object weight or mass

• matter of a substance

• whether an object sinks or floats

• measurement of mass