5th grade Science Benchmark Review 2

A student had 200 mL of saltwater. What is the best way to separate this solution?

• Freeze it

• Heat it up

• Use a strainer

• Put it in the refrigerator

What is true about all of the items in the group on the right?

• They are all insulators.

• They are all conductors.

• They are all made of plastics.

• They are all part of an electromagnet.

A student made the electromagnet shown. How could they strengthen the electromagnet?

Choose 3 answer choices.

• Use more coils.

• Use a bigger nail.

• Use a stronger battery.

• Use more batteries.

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-3

A lightbulb like the one shown in the picture, transforms electrical energy into what two forms of energy?

• mechanical

• thermal

• radiant

• electrical

What is the source of energy in the electromagnet shown in the picture?

• The nail

• The wire

• The sun

• The battery

A student conducted the electromagnet investigation shown in the picture. What was the independent variable in this investigation?

• The size of the wire

• The type of nail

• The number of times the wire was coiled

• The size of the paperclips

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-3

A student measured the mass of an ice cube. The mass of the cube was 53 grams. What is true about the mass of the ice cube after it melts?

• The mass of the water will be the same as the ice cube.

• The mass of the water will increase compared to the mass of the ice cube.

• The mass of the water will remain the same as the ice cube.

• The ice cube will evaporate and have no mass.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A student wants to separate a mixture of sugar and soil. What physical property is most important in this procedure?

• sugar will sink to the bottom.

• Soil dissolves in water.

• Sugar will dissolve in water.

• Soil will float in water.

What is true of the items in the group on the left?

• They are all made of metal.

• They are conductors.

• They are insulators.

• They can be used to make a closed circuit.

How could you close this circuit?

• Remove the battery

• Close the switch.

• Add another lightbulb

• Add another battery