Matter & Energy Quiz Unit 1 Retake

A teacher adds 2 g of chalk to 25 g of vinegar in a tightly sealed jar. The chalk and vinegar react, and gas bubbles form. What is the total mass of the jar’s contents after the reaction takes place?

• 23 g

• 25 g

• 27 g

• 50 g

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NGSS.MS-PS1-5

The table below lists the amounts of the ingredients Stephanie used to make ice cream. What will be the weight of the ice cream after being frozen?

• 210 g

• 250 g

• 290 g

• 380 g

Which is the best example of a change that can be undone?

• clay put in an oven to harden

• cake batter put in an oven to bake

• chocolate left in a warm car to melt

Which change is most likely to produce a new substance?

• a piece of paper burning

• sugar dissolving into water

• glass breaking into many pieces

• water boiling and creating steam

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Which type of change occurs when the size, shape, appearance, or volume of a substance is changed without changing its composition?

• physical

• chemical

• radiation

• nuclear

Sam is conducting a science experiment. He pours the same amount of

50°F water into four different types of containers of same size and

thickness. Which material will best keep the water cold?

• Copper

• Glass

• Paper

• Stryofoam

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NGSS.MS-PS3-3

A student fills a bicycle tire with air on a very hot day. The next day, the temperature

drops and it is much cooler. The student notices that the bicycle tire is almost flat. What

best explains why the tire is flat?

• The cooler temperature caused the air in the tire to contract, making the tire appear

  flat.

• The cooler temperature caused the air in the tire to expand, which put a hole in the

  tire, causing it to go flat.

• The cooler temperature caused the air in the tire to freeze, making the tire flat.

• The cooler temperature caused the metal part of the bicycle to expand, putting a hole

  in the tire and making it go flat.

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Over time, iron becomes rust when it combines with water and oxygen. Which type of change must occur for rust to form?

• chemical

• mechanical

• nuclear

• physical

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How do a wooden spoon and a metal spoon react when placed into a pot

of hot soup?

• Neither spoon gets hot because heat does not transfer through metal

  or wood.

• Both spoons will quickly become hot because heat transfers through

  all materials equally.

• The metal spoon gets hot sooner because heat transfers more easily

  through metal than wood.

• The wooden spoon gets hot sooner because heat transfers more

  easily through wood than metal.

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Why do asphalt streets often have cracks in them?

• because asphalt is a good conductor of heat

• because asphalt expands when heated and contracts when cooled

• because asphalt contracts when heated and expands when cooler

• because asphalt contracts when heated and expands when cooler

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