Question 1

How many numbers can be in front of the decimal if the number is in correct scientific notation?

Accepted Answer

1

Answer

only a zero

Answer

any amount

Answer

2

Question 2

How many significant figures in 0.0345

Accepted Answer

3

Answer

5

Answer

4

Answer

I don't know

Question 3

What does the 6 represent?

Accepted Answer

atomic number

Answer

element name

Answer

atomic mass

Answer

chemical symbol

Question 4

What are the horizontal rows on the periodic table called?

Accepted Answer

periods

Answer

category

Answer

families

Answer

groups

Question 5

Describe the accuracy and precision of the red dots on the image.

Accepted Answer

accurate and not precise

Answer

not accurate but precise

Answer

not accurate and not precise

Answer

accurate and precise

Question 6

How do you write 74,203 in scientific notation?

Accepted Answer

7.4203 X 10⁴

Answer

74.203 X 10^-3

Answer

7.4203 X 10^-4

Answer

74.203 X 10³

Question 7

What is the correct number of sig figs in 704,000

Accepted Answer

3

Answer

I don't know

Answer

6

Answer

2

Question 8

What is the name of letter g?

Accepted Answer

resting position

Answer

trough

Answer

amplitude

Answer

wavelength

Question 9

Waves that need a medium to travel?

Accepted Answer

mechanical waves

Answer

longitudinal waves

Answer

electromagnetic waves

Answer

transverse waves

Question 10

Number of waves that pass in a given time.

Accepted Answer

frequency

Answer

wave

Answer

wave speed

Answer

wavelength

Question 11

The color of electromagnetic waves with the longest wavelength.

Accepted Answer

red

Answer

green

Answer

violet

Answer

blue

Question 12

The correct order of the 7 waves of the electromagnetic spectrum from longest wavelength to shortest wavelength.

Accepted Answer

radio, microwave, infrared, visible, ultraviolet, x-ray, gamma

Answer

radio, microwave, ultraviolet, visible, infrared, x-ray, gamma

Answer

gamma, ultraviolet, visible, x-ray, microwave, radio, infrared

Answer

gamma, infrared, microwave, radio, ultraviolet, visible, x-ray

Question 13

The wavelength of an electromagnetic wave is _____.

Accepted Answer

inversely proportional to its frequency

Answer

None of the above

Answer

directly proportional to its frequency

Answer

inversely proportional to its velocity

Question 14

The equation for wave speed is . . .

Accepted Answer

frequency * wave length

Answer

frequency * wave speed

Answer

frequency / wave speed

Answer

frequency / wave length

Question 15

What is letter C called?

Accepted Answer

riders

Answer

adjustment knob

Answer

pointer

Answer

zero mark

Question 16

What is the mass shown on the triple beam balance?

Accepted Answer

538.0 g

Answer

538 g

Answer

538.0 kg

Answer

538 kg

Question 17

What is the Standard International unit for mass in the metric system?

Accepted Answer

kilogram

Answer

meter

Answer

kilometer

Answer

gram

Question 18

What is the measurement in the graduated cylinder marked 'd'?

Accepted Answer

36.4 mL

Answer

35.25 mL

Answer

35.1 mL

Answer

36.0 mL

Question 19

What is the volume of the red balls?

Accepted Answer

2 mL

Answer

4 mL

Answer

2.5 mL

Answer

6 mL

Question 20

Covert 47.8 mL to cm³

Accepted Answer

47.8 cm3

Answer

.478 cm3

Answer

4.78 cm3

Answer

478 cm3

Question 21

Convert 120 mL to L

Accepted Answer

.120 L

Answer

1200 L

Answer

1.20 L

Answer

12.0 L

Question 22

3.6 g to dag

Accepted Answer

.36 dag

Answer

.036 dag

Answer

360 dag

Answer

36 dag

Question 23

F = ma

Accepted Answer

Newton's 2nd law

Answer

Newton's 3rd Law

Answer

Law of Inertia

Answer

Newton's 1st Law

Question 24

Law of Inertia

Accepted Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

Newton's 2nd Law

Answer

Net Force

Question 25

Newton's 3rd Law

Accepted Answer

action and reaction forces are equal and opposite

Answer

combination of all forces acting on an object

Answer

occurs in free fall, the only force incurred is gravity

Answer

Net force = zero

Question 26

A force that brings nearly everything to a stop.

Accepted Answer

friction

Answer

unbalanced force

Answer

gravity

Answer

balanced force

Question 27

Gravitational force . . .

Accepted Answer

9.8 m/s2

Answer

a push or pull

Answer

net force is not zero

Answer

net force = zero

Question 28

In circular motion the velocity vector is _____ to the path of motion.

Accepted Answer

tangent

Answer

perpendicular

Answer

parallel

Answer

the same as

Question 29

The units for Newtons are . . .

Accepted Answer

kg * m/s2

Answer

g*m/s2

Answer

g*m/s

Answer

kg/m*s

Question 30

Simple machine made from two circular objects of different sizes that are attached and rotate together.

Accepted Answer

wheel and axle

Answer

pulley

Answer

screw

Answer

wedge

Question 31

Machine made up of two or more simple machines.

Accepted Answer

compound machine

Answer

inclined plane

Answer

simple machine

Answer

power

Question 32

In a class 3 lever the _____ is in the middle.

Accepted Answer

effort

Answer

lever

Answer

load

Answer

fulcrum

Question 33

In a class 2 lever the _____ is in the middle.

Accepted Answer

load

Answer

effort

Answer

fulcrum

Answer

input

Question 34

Rate at which work is done; work divided by time.

Accepted Answer

power

Answer

output force

Answer

work

Answer

input force

Question 35

Done when a force exerted on an object causes that object to move some distance.

Accepted Answer

work

Answer

input force

Answer

power

Answer

output force

Question 36

What is the mechanical advantage of pulley system 'D'?

Accepted Answer

3

Answer

2

Answer

I don't know

Answer

1

Question 37

The Jovian planets . . .

Accepted Answer

are giant gas and ice planets

Answer

are formed from metals and silicate minerals

Answer

have the shortest revolution around the sun

Answer

are huge, rocky giants

Question 38

Saturn is classified as . . .

Accepted Answer

Jovian

Answer

Neither

Answer

Terrestrial

Question 39

Mars is classified as . . .

Accepted Answer

Terrestrial

Answer

Jovian

Answer

Neither

Question 40

A(n) nebula is a cloud of _____ in space.

Accepted Answer

dust and gas

Answer

mass

Answer

comets

Answer

ice and gas

Question 41

Are pieces of rocky and metallic materials held together by frozen gases.

Accepted Answer

comets

Answer

planetesimals

Answer

planet's rings

Answer

meteorites

Question 42

Where most of the asteroids are found.

Accepted Answer

belt between Mars and Jupiter

Answer

between Jupiter and Saturn

Answer

between Venus and Earth

Answer

between Saturn and Uranus

Question 43

A display or frequent meteor sightings (swarm of meteoroids)

Accepted Answer

meteor shower

Answer

meteorites

Answer

meteors

Answer

meteoroids

Question 44

Acceleration equation -

Accepted Answer

a = v_f- v_i/ t

Answer

a = v_f+ v_i/ t

Answer

a = t / v_f- v_i

Answer

a = v_f* v_i/ t

Question 45

Momentum equation -

Accepted Answer

p = m * v

Answer

p = m-v / t

Answer

p = m / v

Answer

p = m + v / t

Question 46

Distance / time

Accepted Answer

speed

Answer

momentum

Answer

velocity

Answer

acceleration

Question 47

Distance / time with a direction

Accepted Answer

velocity

Answer

acceleration

Answer

momentum

Answer

speed

Question 48

Tendency of an object to resist a change in its motion.

Accepted Answer

inertia

Answer

mass

Answer

momentum

Answer

velocity

Question 49

A measure of how hard it is to stop an object. Depends on the mass and velocity.

Accepted Answer

momentum

Answer

speed

Answer

inertia

Answer

velocity

Question 50

What is the object doing between 10s and 20 s?

Accepted Answer

constant acceleration

Answer

deaccelerating

Answer

accelerating

Answer

stopped

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