Trace Energy Transfer Pathways - 4th Grade Science
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Identify where energy ends: a bell rings after being struck by a hammer.
Identify where energy ends: a bell rings after being struck by a hammer.
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Ends as sound energy in the surrounding air. Kinetic energy from hammer converts to sound waves.
Ends as sound energy in the surrounding air. Kinetic energy from hammer converts to sound waves.
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Identify the start and end energy: A ball is dropped from a shelf and hits the floor.
Identify the start and end energy: A ball is dropped from a shelf and hits the floor.
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Start: gravitational potential; End: sound and thermal. Falling converts height energy to impact sound and heat.
Start: gravitational potential; End: sound and thermal. Falling converts height energy to impact sound and heat.
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Identify the start and end energy: A person eats food and then runs.
Identify the start and end energy: A person eats food and then runs.
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Start: chemical; End: kinetic (and thermal). Food's chemical energy converts to motion energy; some becomes body heat.
Start: chemical; End: kinetic (and thermal). Food's chemical energy converts to motion energy; some becomes body heat.
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Identify the start and end energy: A lamp plugged into a wall outlet shines.
Identify the start and end energy: A lamp plugged into a wall outlet shines.
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Start: electrical; End: light (and thermal). Wall outlet electricity powers bulb's light emission; some becomes heat.
Start: electrical; End: light (and thermal). Wall outlet electricity powers bulb's light emission; some becomes heat.
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Identify the start and end energy: A stretched rubber band is released and shoots forward.
Identify the start and end energy: A stretched rubber band is released and shoots forward.
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Start: elastic potential; End: kinetic. Stored stretch energy converts directly to motion when released.
Start: elastic potential; End: kinetic. Stored stretch energy converts directly to motion when released.
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Identify the start and end energy: A speaker plays music from a phone battery.
Identify the start and end energy: A speaker plays music from a phone battery.
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Start: chemical; End: sound (and thermal). Battery's chemical energy powers speaker vibrations; some becomes heat.
Start: chemical; End: sound (and thermal). Battery's chemical energy powers speaker vibrations; some becomes heat.
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What is the name of the energy transferred by vibrating matter that you can hear?
What is the name of the energy transferred by vibrating matter that you can hear?
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Sound energy. Vibrations traveling through matter carry energy we perceive as sound.
Sound energy. Vibrations traveling through matter carry energy we perceive as sound.
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What is the name of the energy stored in food that can be transferred to a person or animal?
What is the name of the energy stored in food that can be transferred to a person or animal?
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Chemical energy. Food stores energy in chemical bonds that organisms break down for use.
Chemical energy. Food stores energy in chemical bonds that organisms break down for use.
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What is the name of the energy stored in a battery before it powers a device?
What is the name of the energy stored in a battery before it powers a device?
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Chemical energy. Batteries store energy in chemical form until converted to electricity.
Chemical energy. Batteries store energy in chemical form until converted to electricity.
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What is the name of the energy of moving objects, such as a rolling ball or spinning fan?
What is the name of the energy of moving objects, such as a rolling ball or spinning fan?
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Kinetic energy. Motion itself is a form of energy that can be transferred between objects.
Kinetic energy. Motion itself is a form of energy that can be transferred between objects.
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What is the name of the energy stored in a stretched rubber band or compressed spring?
What is the name of the energy stored in a stretched rubber band or compressed spring?
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Elastic potential energy. Stretched or compressed elastic materials store energy that releases when let go.
Elastic potential energy. Stretched or compressed elastic materials store energy that releases when let go.
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What is the name of the energy stored due to an object being high above the ground?
What is the name of the energy stored due to an object being high above the ground?
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Gravitational potential energy. Objects gain stored energy when lifted against gravity's pull.
Gravitational potential energy. Objects gain stored energy when lifted against gravity's pull.
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What is the name of the energy carried by light from the Sun or a lamp?
What is the name of the energy carried by light from the Sun or a lamp?
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Light (radiant) energy. Light carries energy that travels through space as electromagnetic waves.
Light (radiant) energy. Light carries energy that travels through space as electromagnetic waves.
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What is the name of the energy that is transferred as heat, often warming materials?
What is the name of the energy that is transferred as heat, often warming materials?
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Thermal energy. Heat is energy that flows from warmer to cooler objects.
Thermal energy. Heat is energy that flows from warmer to cooler objects.
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What is the name of the energy in moving electric charges in a circuit?
What is the name of the energy in moving electric charges in a circuit?
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Electrical energy. Moving charges in wires carry energy that powers devices.
Electrical energy. Moving charges in wires carry energy that powers devices.
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Which energy form is most often the final energy output when devices run, even if it is not useful?
Which energy form is most often the final energy output when devices run, even if it is not useful?
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Thermal energy. Most energy conversions produce waste heat due to inefficiency.
Thermal energy. Most energy conversions produce waste heat due to inefficiency.
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Identify the start and end energy: A flashlight uses a battery to produce light.
Identify the start and end energy: A flashlight uses a battery to produce light.
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Start: chemical; End: light (and thermal). Battery's chemical energy converts to light; some becomes waste heat.
Start: chemical; End: light (and thermal). Battery's chemical energy converts to light; some becomes waste heat.
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Identify the start and end energy: Sunlight warms a rock on a sunny day.
Identify the start and end energy: Sunlight warms a rock on a sunny day.
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Start: light; End: thermal. Light energy absorbs into rock, increasing its temperature.
Start: light; End: thermal. Light energy absorbs into rock, increasing its temperature.
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Identify the start and end energy: A hand-crank generator lights a small bulb when turned.
Identify the start and end energy: A hand-crank generator lights a small bulb when turned.
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Start: kinetic; End: light (and thermal). Hand motion turns generator, converting movement to electricity then light.
Start: kinetic; End: light (and thermal). Hand motion turns generator, converting movement to electricity then light.
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Which option correctly traces energy from start to end for a battery-powered fan: A) chemical→kinetic B) kinetic→chemical C) light→sound?
Which option correctly traces energy from start to end for a battery-powered fan: A) chemical→kinetic B) kinetic→chemical C) light→sound?
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A) chemical → kinetic. Battery's stored chemical energy converts to fan blade motion.
A) chemical → kinetic. Battery's stored chemical energy converts to fan blade motion.
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