EXTRA

Question 1

Things or events observed to exist or occurred are called:

Answer 1

Phenomena

Question 2

The study of matter and energy and those that interact is called:

Answer 2

Physics

Question 3

The study of the structure, composition, and property of matter and how matter acts in the presence of other matter is known as:

Answer 3

Chemistry

Question 4

Which type of science develops new technologies, products, and materials:

Answer 4

Applied science

Question 5

What is the building block of all matter?

Answer 5

Atoms

Question 6

The process of mixing by particle motion is known as:

Answer 6

Diffusion

Question 7

Which is located in the nucleus of the atom?

Answer 7

Protons

Question 8

The number of what determines the atomic number?

Answer 8

Protons

Question 9

What occurs when thermal energy is lost from a vapor through cooling?

Answer 9

Condensation

Question 10

Matter that contains only one kind of atom or fixed ratio of different atoms in a what:

Answer 10

Homogeneous mixture

Question 11

The S.I.’s base unit for measurement is the:

Answer 11

Kilogram

Question 12

What is the assessment of the measurement error?

Answer 12

Accuracy

Question 13

List the conversion table.

Answer 13

Kilo Hecto Deka BASE UNIT Deci Centi Milli

Question 14

What are two parts of measured data?

Answer 14

Number and unit

Question 15

Which indicates a amount of matter in an object and the effect of gravity:

Answer 15

Weight

Question 16

Which quantity indicates how fast motion occurs?

Answer 16

Speed

Question 17

Everything inside the boundaries of what we study is known as the:

Answer 17

System

Question 18

What is the modern study of motion?

Answer 18

Thermodynamics

Question 19

What is the S.I. unit for force:

Answer 19

Newton

Question 20

What is the gravitational acceleration?

Answer 20

9.81

Question 21

When an objects velocity is constant for the remainder of its fall, the object has reached?

Answer 21

Terminal velocity

Question 22

Systems that consist of line individual particles or masses of particles acting as a single object may have what?

Answer 22

Mechanical work

Question 23

What type of energy is the energy of an object due to its physical position?

Answer 23

Mechanical potential energy

Question 24

The position from which the distance traveled is measured is the what?

Answer 24

Zero reference point

Question 25

The sum of the kinetic energies of all the particles in an object is its:

Answer 25

Thermal energy

Question 26

The transmission of energy through matter by particle oscillations that occur in a specific direction:

Answer 26

Thermal energy

Question 27

What is the potential energy stored in chemical bonds called?

Answer 27

Chemical energy

Question 28

The largest potential source of energy in the universe is _____, the energy equivalent to all matter itself.

Answer 28

Mass energy

Question 29

What is the S.I. unit for energy

Answer 29

Joules

Question 30

What is the unit of power in the S.I. Unit?

Answer 30

Watt

Question 31

Simple machines compensate for a smaller effort force by exhorting that force over a longer distance, a property called:

Answer 31

The distance principle

Question 32

What is power?

Answer 32

The rate of doing work

Question 33

What is the formula for power?

Answer 33

P=W/AT

Question 34

What is a factor that can affect fluid pressure?

Answer 34

Depth

Question 35

Why do fluids flow?

Answer 35

Because the pressure rises or lowers

Question 36

The pressure on a surface is a ratio of force to ___?

Answer 36

Area

Question 37

What is water pressure due to depth alone?

Answer 37

hydrostatic pressure

Question 38

What device is used to measure atmospheric pressure?

Answer 38

barometer

Question 39

What is the science of the transmission of forces and energy by liquids called?

Answer 39

hydraulics

Question 40

The physics of fluids flowing is known as:

Answer 40

Pneumatics

Question 41

A pressure sensing instrument uses a C- shaped sealed tube detector called a:

Answer 41

bourdon tube

Question 42

Objects that sink are:

Answer 42

negatively buoyant

Question 43

A hydraulic pump works using what scientific principle?

Answer 43

Charles's law

Question 44

Describe Pascal's principle.

Answer 44

changes of pressure on the surface of a confined fluid are exerted equally throughout the fluid and at all the points on the fluid's container.

Question 45

Describe Bernoulli's principle.

Answer 45

total energy for a confined ideal fluid flowing through a pipe is conserved at all locations with in a pipe.

Question 46

Describe Boyle's law.

Answer 46

the volume of a fixed quantity of a confined gas is inversely proportional to its pressure when its temperature is held constant.

Question 47

Describe Charles's law.

Answer 47

the volume of a fixed quantity of gas is directly proportional to its absolute temperature when its pressure is held constant.