Unit Test — Unit test Answers

What causes the air above a pot of boiling water to become warm?

Which shows the temperatures of three substances, in order, from greatest to least?

Which type of energy is transferred by convection currents?

Which occurs when a warm fluid cools down?

Which is equal to a temperature of 20°C?

Which is the correct order of materials in terms of reflectivity, from least to greatest?

Which is an example of radiation?

Which material would result in the least amount of energy transfer?

At the coast on a summer day, the land is hotter than the ocean. Warm air over the land rises and is replaced by cooler air, causing a sea breeze. At night, the land cools quickly and the ocean is now warmer than the land. What will happen next?

Jin listed some common thermal insulators and conductors in a chart.Which belongs in the area marked with an X?

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

At which temperature does water have particles with a greater average kinetic energy than water with a temperature of 30°C?

Which indicates that thermal energy is no longer being transferred from boiling water to a mug?

Which condition must be met for conduction to occur?

Four students are carrying out different laboratory procedures.Piroja is mixing baking soda and vinegar to see if it reacts.Jason is heating salt water over a burner until the water evaporates.Kali is putting crushed ice and ice cubes on a table to see which melts first.Francisco is separating iron filings from sand using a magnet.