Science Exam Review Quarter3

Define the following words: Force

• Force is a type of energy
• Force is a form of matter
• Force is a unit of measurement
• Force is a push or pull upon an object

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NGSS.3-PS2-1

Define the following words: Newton

• Newton is a unit of force

• Newton is a type of fruit
• Newton is a measurement of time
• Newton is a famous painter

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Define the following words: Velocity

• Velocity is the distance traveled by an object in a given time period.
• Velocity is the force exerted by an object.
• Velocity is the speed of an object in motion.
• Velocity is the rate of change of an object's position with respect to a frame of reference.

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NGSS.MS-PS3-1

Define the following words: Acceleration

• Acceleration is the same as velocity.
• Acceleration is the force acting on an object.
• Acceleration is the rate of change of speed with respect to distance.
• Acceleration is the rate of change of velocity with respect to time.

Define the following words: Friction

• Friction is the force that speeds up motion.
• Friction is the force that causes objects to float.
• Friction is the force that resists motion between two surfaces in contact.
• Friction is the force that attracts objects together.

Define the following words: Air Resistance

• Air Resistance is the force that opposes the motion of an object through the air.
• Air Friction
• Wind Resistance
• Atmospheric Drag

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NGSS.MS-PS2-5

What kind of force is a magnetic force?

• Contact force
• Gravitational force
• Frictional force
• Non-contact force

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Explain a contact and noncontact force.

• A noncontact force is a force that acts at a distance between objects.

• An example of a contact force is magnetism.

• A contact force is a force that requires physical contact between objects.

• They are the same

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How do the properties of objects affect gravity and friction?

• The properties of objects such as mass, surface area, and texture influence gravity and friction.
• The color of objects affects gravity and friction.
• The smell of objects influences gravity and friction.
• The taste of objects impacts gravity and friction.

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NGSS.MS-PS2-2

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How does an object's mass affect the rate at which it falls? (the relationship between the two)

• The mass of an object does not affect the rate at which it falls.
• Mass has no impact on the rate of falling
• Objects with more mass fall slower
• The rate of falling increases with mass

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