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Thermal Energy Transfer and Density Multiple Choice Test

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Thermal Energy Transfer and Density

Understand and apply the three different types of thermal energy transfer as well as caluculate density.

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What provides most of the energy on the Earth?

Conduction is the transfer of thermal energy by

Convection is the transfer of thermal energy by

When a substance is heated (like a gas or a liquid) the molecules move faster causing the substance to expand. As it expands it becomes ______ dense.

As a substance cools, the molecules slow down and contract. The substance becomes _____ dense.

What is heat transfer by the collsion of particles?

Why does a warm liquid rise above a cooler liquid?

What is the transfer of heat from one part of a fluid to another?

What is the density of a rock with a mass of 10g and a volume of 5 cubic cm?

What is the density of an object with a volume of 30ml and a mass of 150 g?

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