Radiation — Unit test Answers

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

In which of these can convection not occur?

The diagram shows currents that form as water is heated.

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?

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.

The diagram shows movement of thermal energy.

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

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

Evan drew a diagram to illustrate radiation.

Which describes how radiation moves?

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

Which material is typically used as a thermal insulator?

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

Which best describes convection?

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

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

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

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

Which of these results in kinetic energy of an object?

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?