Q3 Benchmark REVIEW 2024-25

Ryan observed that his jacket is stuffed with feathers which keep him warm during cold weather. Which statement correctly categorizes Ryan’s jacket as a conductor or an insulator?

• A. Ryan’s jacket is an insulator since it allows cold to flow from the external environment to the thin layer of air that is trapped close to Ryan’s body.

• B. Ryan’s jacket is a conductor since it allows heat to flow from the external environment to the thin layer of air that is trapped close to Ryan’s body.

• C. Ryan’s jacket is a conductor since it helps to prevent cold from flowing from the external environment to the thin layer of air that is trapped close to Ryan’s body.

• D. Ryan’s jacket is an insulator since it helps to prevent heat from flowing from the thin layer of air that is trapped close to Ryan’s body.

What can be concluded from the investigation?

• Cup S is a better insulator of heat than Cup P.

• Cup R is a better insulator of heat than Cup S.

• Cup Q is a better insulator of heat than Cup R.

• Cup P is a better insulator of heat than Cup R.

A student selects three identical Styrofoam cups (1, 2, and 3), paints one white and one black, and covers the outside of the third with aluminum foil, as shown. The student fills each cup with an equal volume of water at room temperature and places the cups in sunlight. After three hours, the student observes that the water in cup 3 is the coolest. Which statement correctly explains the student’s observation?

• A) The aluminum foil does not let light pass through it.

• B) The aluminum foil is too thin to absorb heat.

• C) The aluminum foil absorbs heat from the surroundings.

• D) The aluminum foil reflects the light back toward the atmosphere.

The table gives information about conductors and insulators. Which material is best to use in the design of a handle on a cooking utensil?

• copper

• iron

• plastic

• silver

Two metal containers full of ice are on a table. A waiter wraps one container with layers of cloth. They do not wrap the other container. What most likely happens?

• A. Ice melts faster in the wrapped container.

• B. Ice melts faster in the unwrapped container.

• C. Ice melts at the same time in both containers.

• D. Ice melts in the unwrapped container but not in the wrapped container.

What can be concluded from the experiment?

• A. Sound waves are transverse waves.

• B. Sound waves do not carry energy when they are transmitted.

• C. Sound waves do not transmit through material mediums.

• D. Sound waves transfer energy through the vibration of particles in mediums.

A sound-proof window has two panes of glass with a vacuum in between. Why is sound unable to travel through the window while light can still shine through?

• Sound has a different frequency than light, so it cannot pass through the window.

• Sound has a different wavelength than light, so it cannot pass through the window.

• Light can travel through both the glass and the vacuum, but sound can travel only through the glass.

• Light can travel through both the glass and the vacuum, but sound can travel only through the vacuum.

The pie charts show the distribution of the total amount of water on Earth. What can be inferred from the information?

• A. Most of the water available on Earth is frozen.

• B. Most of the freshwater available on Earth is frozen.

• C. Freshwater forms most of the water available on Earth.

• D. Groundwater forms most of the water available on Earth.

Examine the diagram of the water cycle. What process is represented by the letter Y?

• A) condensation

• B) evaporation

• C) percolation

• D) precipitation

The diagram shows the distribution of total global water and freshwater on Earth. What can be concluded from the diagram?

• Most of the freshwater on Earth is in the oceans.

• Most of the water available on Earth is freshwater.

• Most of the water available on Earth is not drinkable.

• Most of the groundwater is in the form of salt water.