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What is energy? (A) The ability to stay still (B) The ability to cause change or do work (C) The ability to make sound
(B) The ability to cause change or do work
Which of the following is an example of energy transforming from one form to another? (A) A rock sitting still (B) A lightbulb turning on and producing light (C) A person standing still
(B) A lightbulb turning on and producing light
Which of the following is an example of thermal energy? (A) The energy of a moving car (B) The energy from a battery (C) The warmth from a heater
(C) The warmth from a heater
Which of the following is true about energy? (A) Energy can transform from one form to another (B) Energy can be created and destroyed (C) Energy can only exist in one form at a time
(A) Energy can transform from one form to another
When a stove is turned on, electrical energy is transformed into which type of energy? (A) Kinetic energy (B) Sound energy (C) Thermal energy
(C) Thermal energy
What is work, in a scientific sense? (A) The energy an object has due to its position (B) The ability to move an object without force (C) A force acting on an object, causing it to move in the direction of the force
(C) A force acting on an object, causing it to move in the direction of the force
How can energy be transferred from one place to another? (A) Only through sound (B) Only through moving objects (C) Through moving objects, sound, light, or electric currents
(C) Through moving objects, sound, light, or electric currents
Which of the following is an example of energy being transformed from one form to another to do work? (A) A battery powering a flashlight to produce light (B) A rock sitting on a shelf (C) A person standing still
(A) A battery powering a flashlight to produce ligh
If a person pushes a box and causes it to move, what is happening? (A) The box is gaining sound energy (B) Work is being done because a force is acting on the box and moving it (C) Energy is being created
B) Work is being done because a force is acting on the box and moving it
Which of the following forms of energy can cause an object to move or do work? (A) Sound, light, and electric currents (B) Only sound (C) Only light
(A) Sound, light, and electric currents
What is kinetic energy? ( A) The energy of an object at rest (B) The energy of motion (C) The energy stored in food
B) The energy of motion
How is the motion of an object described? (A) By its color and size (B) By its temperature and shape (C) By its direction and speed
(C) By its direction and speed
What happens when the net force on an object is zero? (A) The object moves faster (B) The object accelerates (C) The object stays still or continues moving at a constant speed
(C) The object stays still or continues moving at a constant speed
What is net force? (A) The force of gravity on an object (B) The sum of all forces acting on an object (C) The force exerted by friction
(B) The sum of all forces acting on an object
What is friction? (A) A force that speeds up an object (B) A force that opposes the motion of an object (C) A force that causes an object to stay still
B) A force that opposes the motion of an objec
What does a greater force on an object with the same mass do? (A) It makes the object stay still (B) It causes the object to speed up or change direction (C) It decreases the object's speed
B) It causes the object to speed up or change direction
