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Questions and Answers
What is energy?
What is energy?
How does a soccer player use energy to move a ball?
How does a soccer player use energy to move a ball?
What does the Sun's energy help plants do?
What does the Sun's energy help plants do?
What is potential energy?
What is potential energy?
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How does the Sun's energy affect snow and ice?
How does the Sun's energy affect snow and ice?
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What is kinetic energy?
What is kinetic energy?
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What type of change can energy from fire cause in wood?
What type of change can energy from fire cause in wood?
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Why do all living things need energy to survive?
Why do all living things need energy to survive?
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What form does Earth receive the Sun's energy in?
What form does Earth receive the Sun's energy in?
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Which of the following best describes energy?
Which of the following best describes energy?
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What type of energy does a toy car at the top of a hill have?
What type of energy does a toy car at the top of a hill have?
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How does the Sun's energy primarily affect plants?
How does the Sun's energy primarily affect plants?
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In what form does the Sun's energy come to Earth?
In what form does the Sun's energy come to Earth?
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What kind of change can energy from fire cause in wood?
What kind of change can energy from fire cause in wood?
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Which form of energy can turn water into vapor?
Which form of energy can turn water into vapor?
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What process does the Sun's energy help with in plants?
What process does the Sun's energy help with in plants?
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Which of the following represents kinetic energy?
Which of the following represents kinetic energy?
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What kind of energy does a soccer player use to kick a ball?
What kind of energy does a soccer player use to kick a ball?
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What happens to a toy car at rest when it is moved to the top of a hill?
What happens to a toy car at rest when it is moved to the top of a hill?
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Energy is only the ability to do physical work.
Energy is only the ability to do physical work.
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The Sun's energy primarily helps plants grow by providing heat.
The Sun's energy primarily helps plants grow by providing heat.
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All living things need energy from the Sun to survive.
All living things need energy from the Sun to survive.
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Potential energy is only present when an object is in motion.
Potential energy is only present when an object is in motion.
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The energy from the Sun can change ice directly into a gas without becoming a liquid first.
The energy from the Sun can change ice directly into a gas without becoming a liquid first.
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Energy from fire can only cause physical changes in wood.
Energy from fire can only cause physical changes in wood.
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Kinetic energy is the energy an object has due to its position or state.
Kinetic energy is the energy an object has due to its position or state.
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Potential energy is also called stored energy.
Potential energy is also called stored energy.
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Light is not a form of energy.
Light is not a form of energy.
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The Sun's energy primarily affects plants by providing them with nutrients.
The Sun's energy primarily affects plants by providing them with nutrients.
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Which type of stress occurs when a twisting force is applied to a member or shaft?
Which type of stress occurs when a twisting force is applied to a member or shaft?
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What is the measure of the degree of torsion experienced by a shaft?
What is the measure of the degree of torsion experienced by a shaft?
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In which type of stress do shear stresses occur along the length of the shaft?
In which type of stress do shear stresses occur along the length of the shaft?
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Which type of stress occurs when a force is applied in the direction of the length of a material or structure?
Which type of stress occurs when a force is applied in the direction of the length of a material or structure?
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What is the primary role of torsion, tension, and compression in determining the behavior of materials?
What is the primary role of torsion, tension, and compression in determining the behavior of materials?
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In which type of stress does the material try to shorten and decrease in length?
In which type of stress does the material try to shorten and decrease in length?
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What is the primary axis for tension stress?
What is the primary axis for tension stress?
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Which type of stress is often used in conjunction with bending stress and shear stress?
Which type of stress is often used in conjunction with bending stress and shear stress?
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In which process can compression stress be beneficial?
In which process can compression stress be beneficial?
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What type of stress results when a force is applied with the opposite direction as the material's primary axis?
What type of stress results when a force is applied with the opposite direction as the material's primary axis?
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