Chapter One: What is Physics?

What is motion?

• An object is speeding up

• An object's distance from another object is changing

• An object is evaporating

• An option is burning up

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What is a reference point?

• The tip of a knife

• An object moving with a varying speed

• A place or object used for comparison to tell whether an object is in motion

• Speed in a given direction

International System of Units

• An internationally-used system of building blocks for classroom demonstrations

• Inches and feet

• A family of fire ants

• A system of measurement based on multiples of ten and on established units of mass, length, and time

What is a meter?

• The basic unit of length in the International System of Units

• Another word for a person who meets people

• An object moving with increasing speed

• A brightly-painted building

Speed

• The weight of an object

• The distance an object travels in one unit of time

• The same as velocity

• A heavily-camouflaged candy bar

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Velocity

• Gravity

• A velcro-covered city

• An enraged dinosaur

• Speed in a given direction

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Acceleration

• Skipping class

• Gravity divided by mass

• The rate at which velocity changes

• A complicated puzzle

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Which one is the base quantity?

• speed

• time

• weight

• force

What is the SI unit for temperature?

• Celcius

• Kelvin

• Fahrenheit

• Newton

Electrical current isa flow of what?

• Protons
• Neutrons
• Electrons

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