MOY review 4th grade

Which list includes objects all in the liquid state at room temperature?

• milk, water, juice

• ice, soda, oil

• water vapor, air, fog

• juice, rock, milk

When placed in water, only one material sinks while the others float. What does this tell you about that material?

• It is less dense than water.

• It is more dense than water.

• It is the same density as water.

• It is lighter than water.

Which of the following is the best example of a solution?

• sand and gravel

• oil and water

• salt dissolved in water

• cereal in milk

I stirred sand into a cup of water. It sinks to the bottom after a few seconds.What does this show about the mixture?

• It is a solution

• The sand dissolved.

• It is not a mixture.

• It is a mixture, but not a solution.

I pour 100 mL of water into a cup and add 50 mL of soil. The total volume in the cup is 150 mL. What does this show?

• Soil disappeared in the water.

• The amount of matter increased.

• The water changed into soil.

• Matter was conserved during the mixture.

Tags

NGSS.MS-PS1-5

What force is responsible for slowing a soccer ball as it rolls across grass?

• gravity

• friction

• magnetism

• electricity

Tags

NGSS.MS-PS2-2

A student rolls the same ball across tile, carpet, and sandpaper.Which pattern would they most likely observe?

• The ball rolls farthest on tile

• The ball rolls farthest on sandpaper

• The ball rolls farthest on carpet

• The ball stops quickest on tile

You tap a spoon on a glass of water. The water begins to ripple.What type of energy caused the ripples in the water?

• electrical energy

• heat energy

• sound energy

• light energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Henry pushed a toy car. It moves across the floor and then slows down.How is energy being transferred in this example?

• Energy is transferred through light

• Energy is absorbed by the floor

• Energy is transferred through motion

• No energy transfer occurs

Tags

NGSS.MS-PS3-5

What must be true for a lightbulb to turn on in an electrical circuit?

• The battery must be cold

• The wires must be touching each other

• The circuit must be open so electricity can escape

• The circuit must be closed so electricity can flow