Introductory Concepts

Question 1

Unit Prefixes: Y

Answer 1

Yotta 10^24

Question 2

Unit Prefixes: Z

Answer 2

Zetta 10^21

Question 3

Unit Prefixes: E

Answer 3

Exa 10^18

Question 4

Unit Prefixes: P

Answer 4

Peta 10^15

Question 5

Unit Prefixes: T

Answer 5

Tera 10^12

Question 6

Unit Prefixes: G

Answer 6

Giga 10^9

Question 7

Unit Prefixes: M

Answer 7

Mega 10^6

Question 8

Unit Prefixes: K

Answer 8

Kilo 10^3

Question 9

Unit Prefixes: h

Answer 9

Hecto 10^2

Question 10

Unit Prefixes: da

Answer 10

Deka 10^1

Question 11

Unit Prefixes: d

Answer 11

deci 10^-1

Question 12

Unit Prefixes: c

Answer 12

centi 10^-2

Question 13

Unit Prefixes: m

Answer 13

milli 10^-3

Question 14

Unit Prefixes: µ

Answer 14

mirco 10^-6

Question 15

Unit Prefixes: n

Answer 15

nano 10^-9

Question 16

Unit Prefixes: p

Answer 16

pico 10^-12

Question 17

Unit Prefixes: f

Answer 17

femto 10^-15

Question 18

Unit Prefixes: a

Answer 18

atto 10^-18

Question 19

Unit Prefixes: z

Answer 19

zepto 10^-21

Question 20

Unit Prefixes: y

Answer 20

yocto 10^-24

Question 21

Fundamental Quantities: Length

Answer 21

m

Question 22

Fundamental Quantities: Time

Answer 22

seconds

Question 23

Fundamental Quantities: Temperature

Answer 23

Kel

Question 24

Fundamental Quantities: Electric charge

Answer 24

Coulomb
C

Question 25

Fundamental Quantities: Luminous intensity

Answer 25

cd (candela)

Question 26

Fundamental Quantities: Amount

Answer 26

mol

Question 27

Fundamental Quantities: Mass

Answer 27

kg

Question 28

Newton’s First Law of motion

Answer 28

Law of Inertia: An object will not change its motion unless an opposing force acts on it.

Question 29

Newton’s Second Law of motion

Answer 29

Law of cause and effect: Acceleration (gaining speed) happens when a force acts on a mass.

Question 30

Newton’s Third Law of motion

Answer 30

The law of action-reaction: When objects interact, they apply forces to each other of equal magnitude and opposing direction.

Question 31

What is force?

Answer 31

Influence that can change the motion of an object.

Question 32

What is speed?

Answer 32

The rate of how fast something is moving.

Question 33

What is acceleration?

Answer 33

How fast something speeds up or slows down.

Question 34

What is Pressure?

Answer 34

How force is distributed over a certain area P = F/A

Question 35

1 pa =

Answer 35

1 Nm2

Question 36

What is density?

Answer 36

Objects mass per unit of volume

Question 37

What is mass?

Answer 37

The amount of matter an object contains.

Question 38

What is weight?

Answer 38

The force exerted on a mass by gravity.

Question 39

Write 1 micrometer in numbers.

Answer 39

0.000001

Question 40

3.94 x 10^3cm to m

Answer 40

39.4m

Question 41

4.1 x 10^-5m to mm

Answer 41

0.041mm

Question 42

What is 26539000 in Scientific Notation?

Answer 42

2.6539 x 10^7

Question 43

Convert 130inches3 to cm3.

Answer 43

2130.32cm3

Question 44

Convert 1694 m3 to ft3

Answer 44

59831.80ft3

Question 45

Formula of Force:

Answer 45

F = m.a or F = p.a

Question 46

Formula of Velocity:

Answer 46

v=d/t

Question 47

Formula of acceleration:

Answer 47

a= Vf -Vi/t or a=F/m

Question 48

Formula of Density:

Answer 48

p (rho) = m/v

Question 49

Rule of thumb: Light travels ___________ than sound.

Answer 49

a million times faster