Changes in Matter

Serenity, Manuel, and Jamir each place a metal block, each at a different temperature, on a table as shown in the figure. In which direction will heat flow?

• From Sample 1 to Sample 3

• From Sample 2 to Sample 3

• From Sample 3 to Sample 1

• From Sample 1 to Sample 2

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Abrar is conducting an experiment by stacking four metal blocks on top of each other, each at a different temperature as shown in the diagram. In which direction will thermal energy flow?

• From Sample 1 toward Sample 2.

• From Sample 2 toward Sample 1 and Sample 3.

• From Sample 3 toward Sample 2 and Sample 4.

• From Sample 4 toward Sample 3.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

When Jamir places a pot of cold water on a hot stove, heat will immediately flow–

• from the stove into the pot.

• from the water into the pot.

• from the air into the stove.

• from the pot into the air.

Tags

NGSS.MS-PS1-4

Ruben stirs sugar into four samples of water, as shown in the illustration. In which beaker will the sugar dissolve most quickly?

• Beaker A (50°C)

• Beaker B (80°C)

• Beaker C (70°C)

• Beaker D (20°C)

Tags

NGSS.MS-PS1-4

Journey picks up an ice cube and feels that it is cold. Which of the following best explains why?

• Heat moves from Journey's hands into the ice cube.

• Cold moves from Journey's hands into the ice cube.

• Heat moves from the ice cube into Journey's hands.

• Cold moves from the ice cube into Journey's hands.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

Oseas places a tray of water in the freezer. When heat is removed from the water, which change is likely to occur?

• melting

• condensation

• evaporation

• freezing

Tags

NGSS.MS-PS1-4

Amara and Hibir want to save on heating bills during winter. To achieve this, what should they line the roof of their house with?

• a thermal conductor

• a thermal insulator

• Nothing

Tags

NGSS.MS-PS3-3

NGSS.MS-ETS1-1

As Kacy heats water in a pot on the stove, she notices that the water at the bottom gets hot first and then the whole pot of water becomes warm. This is an example of _______.

• conduction

• convection

• radiation

• reflection

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

On a cold night, Aislinn sits on her couch wrapped in a blanket. Which best describes the blanket?

• The blanket is a conductor because it allows the heat to get from the air to Aislinn.

• The blanket is an insulator because it prevents Aislinn's body heat from flowing into the air around her.

• The blanket is an insulator because it prevents the cold air around Aislinn from getting to her.

• The blanket is a conductor because it allows the cold air around Aislinn to get to her.

Tags

NGSS.MS-PS3-3

During the summer break, mom told Genesis not to wear her dark blue shirt to the park. She told her to wear her light pink one instead. What is the MOST likely reason for her mom to tell her this?

• Light colors look better than darker colors.

• Dark colors absorb heat easier that lighter colors.

• Darker colors reflect heat easier than lighter colors.

• Darker colors are uglier than lighter colors.