Unit 1: Question Preview (ID: 10627)

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What is the metric unit for length?
a) Meter
b) Inch
c) Foot
d) Yard

The prefix 1,000 is called
a) Milli
b) Centi
c) Kilo
d) Deci

Energy is …
a) When the surfaces of two objects rub against each other
b) The ability to do work
c) A change in motion
d) The ability to produce heat

Which of the following is a conversion from chemical energy to thermal energy?
a) Coal is burned to boil water
b) Food is digested and used to regulate body temperature
c) Charcoal is burned in a barbeque pit
d) All of the above

An object that has kinetic energy must be . . .
a) Lifted above the Earth’s surface
b) In motion
c) At rest
d) None of the above

Sound energy is …
a) The energy of a compound that changes as its atoms are rearranged to form new compounds
b) The total energy of the particles that make up an object
c) The energy caused by an object’s vibrations
d) The energy of motion

What device converts chemical energy to mechanical energy?
a) Human
b) Car
c) Jet Ski
d) All of the above

The law of _____________ of energy states that energy cannot be created or destroyed.
a) Transformation
b) Absorption
c) Conservation
d) Stability

Forces are measured in units called
a) Kilograms
b) Pounds
c) Newtons
d) Meters

A force has
a) Size
b) Direction
c) Mass
d) Both a and b

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