Unit Test — Unit test Answers

Which best describes convection?

Which accurately completes the statement?Conduction involves the transfer of electric charge or ___________ due to the movement of particles.

In which of these can convection not occur?

A scientist designed a foam container to help keep frozen foods from melting. Which best explains how the foam works?

Which shows the formula for converting from degrees Celsius to degrees Fahrenheit?

Carmen is heating some water and trying to measure the temperature of water using a Celsius thermometer. Which measurement can she expect once the water begins to boil?

Evan drew a diagram to illustrate radiation.

Nuclear reactions in a reactor produce a lot of thermal energy. That energy then flows and warms up water, which boils and produces steam. The steam then turns turbines that generate electricity.

A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner?

Which material most likely gets the warmest when placed in the Sun?

A student heats a liquid on a burner. What happens to the portion of liquid that first begins to warm?

The diagram shows currents that form as water is heated.

Which of these indicates that a liquid has transferred thermal energy to the air?

Which refers to the thermal energy that flows from one substance to another when the substances differ in temperature?

The diagram shows movement of thermal energy.

Which of these results in kinetic energy of an object?

Heat transfer between two substances is affected by specific heat and the

Which material is typically used as a thermal insulator?

A thermogram taken outside a house shows high amounts of thermal energy around the windows but not around the roof.Which conclusion supports the thermogram?

Which describes how radiation moves?