a Rube Goldberg device

is a series of simple machines used to do a simple task

If I throw a ball, it hits the ground because

the forces of gravity and the ground act upon it

when a substance is in all three phases

Archimedes principle states

buoyant force is equal to the weight of the object

An aircraft carrier floats because

it displaces its weight in water

light changing speed because of the density of the media

amplifies sound vibrations because of its shape

Is your idea of what will happen in an experiment

The scientific method

is a process of solving a problem

We see the flowers as red because

the red light is reflected by the flowers

should include a summary of the experiment

If we were to move Garfield to the edge of the lever

the downward forces would be unbalanced and Odie will go up

Conservation of energy means

that any loss of energy from a system can be accounted for

I'm cold. I make tea. My hands warm up because

The tea in the mug conducts heat to my hands

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Physics Final Review

36 termsStudBud Administration76 plays

A #physics quiz to review the properties of thermodynamics, motion, Newton's laws, buoyancy and more.

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Questions 36

Answers

1
a Rube Goldberg device
is a simple way to complete a task
is a series of simple machines used to do a simple task
is a simple machine like a pulley
is a complex machine made to make life easier
2
A terrarium needs very little water because
the plant makes water
the sun gives off energy
the water is recycled
it is a desert
3
The most basic of the simple machines is
a wedge
a pulley
a gear
a lever
4
the picture shows
reflection and absorbsion
absorbsion
refraction
reflection
5
If I throw a ball, it hits the ground because
the forces of gravity and the ground act upon it
Frictional for acts upon it
liar! it never hits the ground
it defies Newton's first law
6
phase changes are
always gaining heat
unnatural
chemical changes
physical changes
7
The danger of electricity is in the
voltage
potential energy
amps
source of energy
8
The Earth is warm
because of the sun's radiation
because the Earth's core is conductive
because wind has convective energy
because the Earth is round
9
The blue arrows show
downward force
compression
tension
expansion
10
the triple point is
when a substance is evaporating
when a substance is sublimating
when a substance is in all three phases
when a substance is evaporating
11
Archimedes principle states
buoyant force is equal to the weight of the object
boats float because of their weight
boats float because of their shape
buoyant force is equal to the total volume of the object
12
An aircraft carrier floats because
it is very light
it has a lot of pontoons
it displaces its weight in water
it has a lot of surface area
13
Refraction is
an optical illusion due to color change
light changing speed because of the color of the media
light changing speed because of the density of the media
a broken pencil
14
Calculate the force is the mass is 10 kg and the acceleration is gravity.
1.1 N
98 mkgs
98 N
1.1 kg/m
15
A gear is a
pulley
wedge
wheel and axel
lever
16
An acoustic guitar
transfers energy through the wood body
amplifies sound vibrations because of its shape
allows for vibration to be amplified by electricity
dampens vibration so that the strings can be heard
17
A hypothesis
should start with "I think"
Is your idea of what will happen in an experiment
is something you read in the procedure
is a total guess
18
The scientific method
is a process of solving a problem
is the answer to life, the universe and everything
is how to write a lab report
is how to come up with a hypothesis
19
Inertia in motion is
power
friction
momentum
acceleration
20
Voltage on a battery describes
it's kinetic energy
it's total number of electrons
its momentum
it's potential energy
21
amplitude
is a wave's height
is a wave's potential energy
is a wave's frequency
is a wave's length
22
We see the flowers as red because
the red light is painted by the cards
the red light is absorbed by the flowers
the red light is refracted by the flowers
the red light is reflected by the flowers
23
The red arrows show
compression
downward force
expansion
tension
24
A car accident happens, this is an example of Newton's ________ Law
none of these is correct
First
Third
Second
25
the pyramids of Egypt were made possible by
pulleys
steam engines
wheels
inclined planes
26
A reference point is used to
show where you started
show where you ended
show friction
show movement
27
Friction causes
things to warm
things to cool
things to accelerate
this to increase speed
28
A conclusion should
Only state whether or not your hypothesis was correct
should not talk about error, only what went right
should include a summary of the experiment
should not explain what went right in the experiment
29
Newton's Laws include all but
gravity
a body staying in motion or at rest until acted upon
F=ma
equal and opposite actions/reactions
30
If we were to move Garfield to the edge of the lever
the downward forces would be unbalanced and he will go up
the downward forces would remain balanced
the downward forces would be unbalanced and Odie will go up
the fulcrum would move
31
Conservation of energy means
that you cannot gain or lose energy from a machine
that any loss of energy from a system can be accounted for
that you start and end with the same amount of energy
that you can only lose and not gain energy
32
Thermal expansion is when
solids expand when heated
solids melt into liquids
solids expand when cooled
liquids turn into gasses
33
I'm cold. I make tea. My hands warm up because
The tea in the mug convects heat to my hands
The tea in the mug radiates heat to my hands
The tea in the mug is a good insulator
The tea in the mug conducts heat to my hands
34
objects slow down because of
energy transfers
frictional force
gravity
heat
35
Our eye perceives color because of
the cornea
rods
refraction
cones
36
An insulator
stores potential energy
completely blocks heat or electricity
absorbs heat or electricity
easily transfers heat or electricity

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