Finals Review 2 Flashcards Preview

Science > Finals Review 2 > Flashcards

Flashcards in Finals Review 2 Deck (28):
1

The smallest particle of an element is

Atom

2

Potential energy is due to

Height of an object

3

How many centimeters are in a 3 meter stick

300 Cm

4

What happens to energy when it's transformed

It stays the same

5

Batteries change chemical energy to what

Electrical

6

What is a transverse waves

Oscillates perpendicular to the direction of the wave travel

7

Friction between two surfaces transforms energy of motion directly to

Thermal Energy

8

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

Amplitude

9

If you go Twice as fast, your kinetic energy becomes

4 times faster

10

When the forces on an object is balanced

An Equilibrium

11

Equation for Work Output

Output force times Output Distance

12

The inertia of an object is related to

Mass only

13

What's Unit does Energy Use

Joules

14

Efficiency is expressed in

Percent

15

A force that resists motion is

Friction

16

Name 3 properties of waves

Frequency, speed, Amplitude

17

What is required to get work out of a machine

Input Work

18

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

the distance from crest to crest

19

On a graph, what is the independent variable on

X axis

20

What has the most affect on the period of a pendulum

Length of String

21

Work may be measured in units of

Joules

22

Transferring or sharing electrons between atoms forms

Bonds

23

The space that an object takes up is known as

Volume

24

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

Electrons

25

The property of matter that resists changes in motion is

Inertia

26

An extended spring stores what type of energy

Potential Energy

27

Kinetic energy increases with

Mass and Speed

28

Work output to work Inout is the ratio of what

Efficiency