Exploring Energy: Heat and Motion

During a science experiment, Harper noticed that a metal rod became hot when one end was placed in a flame. Which of the following is an example of heat transfer through conduction?

• Warm air rising to the ceiling

• A metal spoon getting hot from a boiling pot

• Sunlight warming the Earth

• A fan blowing cool air

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Daniel is riding his bicycle and decides to double his speed. What happens to the kinetic energy of Daniel and his bicycle?

• It remains the same

• It doubles

• It triples

• It quadruples

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Elijah is conducting an experiment to find out which material is best for conducting heat. Which material is likely to have the highest thermal conductivity?

• Wood

• Plastic

• Copper

• Glass

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Evelyn is conducting an experiment in a vacuum chamber. She wants to know how heat is primarily transferred in this environment. What is the primary method of heat transfer in a vacuum?

• Conduction

• Convection

• Radiation

• Insulation

Zoe is holding a ball at a height of 5 meters. What type of energy is primarily stored in it?

• Kinetic Energy

• Thermal Energy

• Potential Energy

• Chemical Energy

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Mia is trying to warm her hands on a cold day. Which of the following processes involves the conversion of mechanical energy into thermal energy?

• A car engine running

• A wind turbine generating electricity

• Rubbing your hands together

• A solar panel absorbing sunlight

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Abigail is heating a pot of water on the stove. How does increasing the temperature of the water generally affect its particles?

• Particles move slower

• Particles move faster

• Particles stop moving

• Particles change shape

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Rohan and Mia are discussing how a thermometer works. Which of the following best describes the relationship between temperature and heat?

• Temperature is a measure of heat

• Heat is a measure of temperature

• Temperature and heat are the same

• Temperature is energy, heat is not

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Elijah and Emma are on a roller coaster ride. What type of energy transformation occurs when the roller coaster descends from the top of a hill?

• Potential to kinetic

• Kinetic to potential

• Thermal to mechanical

• Chemical to thermal

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Mia is observing different forms of energy around her. Which of the following is an example of mechanical energy in motion?

• A battery storing energy

• A book sitting on a shelf

• A car driving down the street

• A light bulb glowing