4th Grade Physics/Energy Question Preview (ID: 49579)
4th Grade Review And Practice For SLO Test.
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A force is
a) the speed of an object
b) when one object rubs another.
c) a push or pull.
d) the ability to do work
Which one is NOT true about gravity?
a) It's a force that attracts objects to each other.
b) Pulls all objects to the center of the Earth.
c) The more mass an object has the more gravity it has.
d) The harder an object rubs against another, the more gravity it has.
Which one is NOT a form of energy
a) erosion
b) light
c) electrical
d) sound
Which one is NOT true about energy?
a) Energy can never be destroyed but it can transfer from one thing to another.
b) Energy is the ability to do work.
c) Energy is the distance that is covered in a certain amount of time.
d) Energy can cause the motion of an object.
Which way is NOT a way that heat is transferred?
a) Reversible
b) Conduction
c) Radiation
d) Convection
The amount of energy an object has while moving depends on two things:
a) distance and friction.
b) weight and height.
c) speed and direction.
d) mass and speed.
Which statement is NOT true?
a) Light energy is transferred by waves.
b) Heat energy can only be transferred if the objects are touching.
c) All objects require a force of some kind in order to move.
d) Speed is the distance the object travels divided by the time it takes to travel.
Convection is heat that is tranferred
a) over long distances.
b) through waves in space.
c) by liquids or gases.
d) by objects that are touching.
Energy can be transferred from one form to another. Solar panels transfer light energy to
a) electrical energy
b) sound energy
c) radiation
d) friction
Energy can be transferred from one form to another. A hair dryer transfers electrical energy to
a) light and sound energy energy,
b) bananas.
c) mechanical and heat energy.
d) heat and sound energy.
An example of conduction is
a) heat waves coming off a fire in a fire place.
b) boiling water in a cup in the mircrowave oven.
c) food in a metal pan that is sitting on a stove.
d) sitting around a campfire getting warm.
Which one is NOT an example of a collision?
a) One car passing another on the highway.
b) Your fingers striking the key on a keyboard.
c) A baseball bat hitting a ball.
d) Bouncing a ball on the floor.
Who is Sir Isaac Newton?
a) The first president of the United States.
b) The most popular person on Instagram.
c) A Ghostbuster.
d) The man who came up with the three basic ideas that are applied to the physics f motion that we still use today.
Newton's First Law of Motion states
a) Any object in motion will continue to move in the same direction and speed unless forces act on it.
b) Proceed to GO and collect $200.
c) when an object rubs against another it creates heat.
d) that the more speed an object has, the more energy it has.
Inertia means
a) the speed of an object.
b) when one object rubs another.
c) a push or pull.
d) the resistance to move.
When you kick a ball, you are applying force with your foot, but the ball is also applying force to your foot. This is an example of:
a) Newton's 1st Law of Motion.
b) Newton's 3rd Law of Motion.
c) Convection heat transfer.
d) a balanced force.
Which one is NOT true about an unbalance force?
a) Occurs when two forces acting on an object are not equal in size.
b) It will move.
c) It doesn't move.
d) Can cause a change in motion.
Electrical energy is
a) the energy of moving particles.
b) a push or a pull.
c) the same as thermal energy.
d) a form of energy resulting from the flow of an electrical charge.
Which one is NOT true about electrical energy?
a) Moves easily through insulators like cloth, wood and plastic.
b) Can move through a closed circuit and light up a light bulb.
c) Can be stored in a battery.
d) Moves easily through conductors like copper, steel, and aluminum.
In an open circuit:
a) will cause a short circuit.
b) the path of electricity is uninterrupted.
c) the light bulb will light.
d) the path of electricity in in the circuit is blocked or stopped.
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