Heat & Matter Quiz 2

Two identical metal blocks of the same size and material, E and F, were placed next to each other. Heat energy was transferred from E to F.

What could be the initial temperature of blocks E and F?

• E: 70 °C

  F: 55 °C

• E: 70 °C

  F: 85 °C

• E: 45 °C

  F: 50 °C

• E: 60 °C

  F: 60 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following substances expands the least when it is heated from 25 °C to 50 °C?

• air

• iron bar

• oil

• water

Tags

NGSS.MS-PS1-4

Which of the following statement best describes temperature?

• A measure of the amount of heat energy present in an object.

• A measure of the degree of hotness or coldness of an object.

• The amount of energy taken in by a cold substance.

• The amount of energy taken in by a hot substance.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A mother placed a bottle of cold milk in a mug of hot water as shown below.

What would happen to the temperature of the milk and the water in the mug after
5 minutes?

• milk: decrease

  water: decrease

• milk: decrease

  water: increase

• milk: increase

  water: decrease

• milk: increase

  water: increase

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

An engineer wants to fix a steel washer on to a steel rod. The rod is just too big to fit into the hole of the washer.

How can the engineer fit the washer onto the rod?

• Cool the washer and put it over the rod.

• Cool the washer and rod to the same temperature and push them together.

• Heat the rod and then place it in the hole.

• Heat the washer and then place it over the rod.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The diagram shows an experimental set-up for one of the separation techniques. Which of the following correctly identifies the labelled parts?

• G: filtrate

  H: residue

  J: mixture

• G: mixture

  H: residue

  J: filtrate

• G: residue

  H: filtrate

  J: mixture

• G: residue

  H: mixture

  J: filtrate

Tags

NGSS.MS-PS1-2

The experimental set-up below shows four beakers with copper sulfate at the bottom. Each beaker was left to stand for a while.

In which beaker would the copper sulfate dissolve the fastest?

• 5g of powdered copper sulfate in 50 cm³ of hot water

• 5g of copper sulfate crystals in 50 cm³ of hot water

• 5g of powdered copper sulfate in 100 cm³ of hot water

• 5g of copper sulfate crystals in 100 cm³ of hot water

Tags

NGSS.MS-PS1-4

When a few drops of universal indicator were added to substance K, the mixture turned blue.

Which of the following statements is true about substance K?

• It is a neutral solution.

• It is acidic in nature.

• It is alkaline in nature.

• pH of substance K is 7.

A student compared the densities of four substances by placing them in water.

Which of the following correctly arranges the substances from the lowest density to the highest density?

• A, B, C, D

• B, D, A, C

• C, A, D, B

• D, A, B, C

Tags

NGSS.MS-PS1-2

Two blocks have the same rectangular cross section, but one is longer than the other.

 

Both blocks are made from the same material.

Which quantity is the same in both blocks?

• density

• mass

• volume

• weight