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Science > Finals Review 2 > Flashcards

Finals Review 2 Flashcards

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1
Q

The smallest particle of an element is

A

Atom

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2
Q

Potential energy is due to

A

Height of an object

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3
Q

How many centimeters are in a 3 meter stick

A

300 Cm

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4
Q

What happens to energy when it’s transformed

A

It stays the same

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5
Q

Batteries change chemical energy to what

A

Electrical

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6
Q

What is a transverse waves

A

Oscillates perpendicular to the direction of the wave travel

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7
Q

Friction between two surfaces transforms energy of motion directly to

A

Thermal Energy

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8
Q

In a mechanical system, the distance an oscillator moves from its average position is called

A

Amplitude

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9
Q

If you go Twice as fast, your kinetic energy becomes

A

4 times faster

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10
Q

When the forces on an object is balanced

A

An Equilibrium

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11
Q

Equation for Work Output

A

Output force times Output Distance

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12
Q

The inertia of an object is related to

A

Mass only

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13
Q

What’s Unit does Energy Use

A

Joules

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14
Q

Efficiency is expressed in

A

Percent

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15
Q

A force that resists motion is

A

Friction

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16
Q

Name 3 properties of waves

A

Frequency, speed, Amplitude

17
Q

What is required to get work out of a machine

A

Input Work

18
Q

The wavelength of a wave is determined by the distance from crest to crest

A

the distance from crest to crest

19
Q

On a graph, what is the independent variable on

A

X axis

20
Q

What has the most affect on the period of a pendulum

A

Length of String

21
Q

Work may be measured in units of

A

Joules

22
Q

Transferring or sharing electrons between atoms forms

A

Bonds

23
Q

The space that an object takes up is known as

A

Volume

24
Q

As long as you have WHAT, you can have atoms of the same element

A

Electrons

25
Q

The property of matter that resists changes in motion is

A

Inertia

26
Q

An extended spring stores what type of energy

A

Potential Energy

27
Q

Kinetic energy increases with

A

Mass and Speed

28
Q

Work output to work Inout is the ratio of what

A

Efficiency

Science (11 decks)

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