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Worksheetsquizzes science review charles marshall
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
what is the purpose of a lab safety contract
a)
so if something bad happens the school is not responsible
b)
so you can get hurt
c)
so if you are to get in a accident you have to pay for what ever happens to you
2.
what are three things you will always weaer in a lab
a)
gloves apron hairnet
b)
googles apron and window open
c)
googles apron gloves
3.
what do you do if there is a accident or a spill in the lab
a)
clean it up
b)
ask one of your friends to help you
c)
pull the fire alarm
d)
tell the teacher
4.
what are you never to do in a lab when the teacher is out the class
a)
follow her direction
b)
play with chemicals
c)
mess with her/his stuff
5.
what are you always to do in a lab
a)
never listen to what the teacher tells you
b)
goof off and dont pay attention
c)
allways follow the teachers exact order
6.
how can line graphs be used
a)
only for counting
b)
to tell u facts
c)
used to compare changes over the same period of time
7.
how are bargraphs used
a)
for timelines
b)
Bar graphs are used to compare things between different groups or to track changes over time.
c)
to count
8.
name three kinds of graphs
a)
bar graphs, line graphs, and pie graphs
b)
basic graph plot graph timeline graph
c)
pie chart ,all around graph,signifigance graph
9.
what does a data table do
a)
tell u the information you are not suppose to have
b)
tell u things that are not true
c)
arrange collect data in an understanding easy to read format
10.
how are u suppose to put the graph format
a)
y on the right and the x variable on the left with no facts at all just what you think is suppose to be there
b)
x on the horzontal axis y on the vertical axis
c)
x on the very top y on the very bottom and the facts ins
11.
how fast does a candle burn time measured in minutes height of candle measured in centimeter at regular intervals of time for example every five minutes
a)
independent is the time dependent the height of the candle control type of candle constant how its measured
b)
independent how many candles dependent how fast it goes control how long it takes
c)
indpendent the force of the candles the dependent is how fast the control is the measure
12.
what is a independent variable
a)
something that is changed by the scientist
b)
a variable that is independent
c)
the variaible that needs to be found
13.
what is a dependent variable
a)
a varible that is dependent
b)
something that might be affected by change in the independednt variable
c)
variable that you do not need
14.
an expierment was performed to determine how the wieght of a cart affects its speed at the bottoms of ramp slop and the same size wheels were used what is the independent,dependent,and control
a)
independent number of wheels,dependent the speed of the slope,conrtrol how they push the cart
b)
independent the weight,dependent the speed,and control wheels and ramp
c)
independent how it shifts,dependent the amount of wheels,control the speed of the cart
15.
two groups of students were tested to compare their speed working math problems each group was given the same problems on group had calculators others dont what is the independent,dependent,and control variable
a)
independent ordering pizza,control how fast they eat the pizza,dependent the amount of slices they take
b)
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c)
independent different groups,dependent how fast they solved it,control the problem
16.
what is accerleration
a)
stored energy
b)
gaining speed
c)
vehicle in motion
17.
what is speed
a)
how slow u go
b)
the rate at which someone or something is able to move
c)
i dont know this try again
18.
what is the formula for speed
a)
distance/time=speed
b)
time/distance=speed
c)
speed/wave=speed
19.
calculate the average speed of a dog running through a field he is covering 23 meters in 54 seconds
a)
44m/s v=d/t
b)
77m/s v=d/t
c)
31m/s v=d/t
20.
what is the average speed if a baseball travel 49 meters in 3 seconds 20.4m/s calculate the velocity of a car that travels 556 kilometer leave your answer in kilometers per hour
a)
122 kmh
b)
163.5 kmh
c)
332 kmh
21.
how far can you get away from your little brother with the squirt gun filled with paint if you can travel at 3 m/s and you have 15s before he sees you
a)
18
b)
12
c)
5
22.
what is inside you that makes gravity pull you down
a)
weight
b)
mass
c)
bones
23.
what does gravity do in space
a)
gravity keeps the sun to only orbit around us
b)
Gravity keeps Earth and the other planets in our solar system in orbit around the Sun
c)
gravity keeps all life in space away from the earth thats why we did not discover aliens yet
24.
what is true about gravity
a)
its rotation does nothing important to help us
b)
Tides are caused by the rotation of the Earth and the gravitational effects of the Moon and Sun.
c)
its orbit does not help
25.
what is gravity
a)
the force that attracts a body toward the center of the earth
b)
when u jump up and u go through stuff
c)
when u run and cant sto
26.
what is gravity attracted to
a)
sun
b)
mass
c)
weight
27.
what are types of friction
a)
non fiction
b)
jumping up and down friction
c)
rolling friction
28.
what is friction
a)
the amount of heat a object has in its system
b)
Friction is the force that resists motion when the surface of one object comes into contact with the surface of another.
c)
friction is the surface of how hard the object falls
29.
what is rolling friction
a)
when a tire ball or wheel rolls in the same place over and over
b)
is the force resisting the motion when a body such as a ball, tire, or wheel rolls on a surface.
c)
when something rolls to cause heat on the ground such as a ball type object
30.
what is sliding friction
a)
sliding friction is when you roll a tire on the ground or a wheel on the ground
b)
sliding friction is when u just roll in peace
c)
Sliding friction refers to the resistance created by any two objects when sliding against each other.
31.
what is a true fact about friction
a)
friction does not work
b)
Friction, in fact, always opposes movement; why, then, is friction necessary
c)
friction is a self made object
32.
what is static friction
a)
is a force that keeps an object at rest
b)
when you put a bloon on your hair and rub it
c)
when you rub up against a carpet
33.
what is fluid friction
a)
is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
b)
when you jump into water as the water rubs up against you
c)
when water get stuck in your nose and you try and blow it out
34.
what are some examples of friction
a)
rubbing your hands together
b)
jumping up and down
c)
blowing your hands
35.
what can you only do friction on
a)
soild surfaces
b)
gases
c)
liquid
36.
what feelinging does friction bring off
a)
air
b)
cold
c)
heat
37.
name some example how friction is use
a)
when you make contact with a object
b)
when u put a match up to a box to make fire for ur birthday
c)
smoking
38.
what is a balance force
a)
are two forces acting in opposite directions on an object, and equal in size.
b)
balanced force are 50 50
c)
balanced force is when everything is a little bit of everything
39.
what is unbalanced force
a)
when stuff is not balanced
b)
Forces that cause a change in the motion of an object are unbalanced forces.
c)
a stuff that does not go together
40.
what do you say about balance force
a)
balance force is the only works when you ohave a little bit of everything
b)
When two forces acting on an object are equal in size but act in opposite directions, we say that they are balanced forces
c)
when balance force acts on a object it does not work
41.
Now consider a book sliding from left to right across a tabletop. Sometime in the prior history of the book, it may have been given a shove and set in motion from a rest position.what is this example
a)
balanced force
b)
unbalanced force
c)
newtwons first law
42.
which example from the newtons laws have balance force
a)
netons thrid law
b)
newtons first law
c)
newtons second la
43.
if a ____________ is at rest it will not move
a)
balance force
b)
unbalance force
c)
both
44.
what is the differnce of balance and unbalance force
a)
they do differnt things
b)
Unlike balanced forces, unbalanced forces always cause a change in motion
c)
a lot of things
45.
what is and example of unbalanced force
a)
movement changing
b)
A force can act on an object without causing it to accelerate if other forces cancel the push or pull of the force.
c)
anything having to do with speed
46.
what is the newtons first law of motion
a)
The acceleration of an object as produced by a net force is directly proportional
b)
An object at rest stays at rest and an object in motion stays inmotion with the same speed and in the same direction unless acted upon by an unbalanced force.
c)
A force is a push or a pull that acts upon an object as a results of its interaction with another object.
47.
what is newtons second law
a)
An object at rest stays at rest and an object in motion stays inmotion with the same speed and in the same direction unless acted upon by an unbalanced force.
b)
The acceleration of an object as produced by a net force is directly proportional
c)
A force is a push or a pull that acts upon an object as a results of its interaction with another object.
48.
what is newtons third law of motion
a)
The acceleration of an object as produced by a net force is directly proportional
b)
A force is a push or a pull that acts upon an object as a results of its interaction with another object.
c)
An object at rest stays at rest and an object in motion stays inmotion with the same speed and in
49.
what is an example of the first newton law of motion
a)
balanced force
b)
unbalance force
c)
both
50.
what is that a example of If you use the same force to push a truck and push a car, the car will have more acceleration than the truck
a)
newtons second law of motion
b)
newtons first law of motion
c)
newtons third law of motion
51.
When you jump off a small rowing boat into water, you will push yourself forward towards the water. what is that an exmalpe of
a)
newtons first law of motion
b)
newtons second law of motion
c)
newtons third law of motion
52.
newtons first law of motion is also known as
a)
inertia
b)
balanced force
c)
unbalanced force
53.
newtons second law of motion is also known as law of _________
a)
acceleration
b)
speed
c)
velocity
54.
newtons third law of motion is also known as
a)
unbalanced force
b)
action-reaction
c)
balanced force
55.
newtons first law of motion states a object at ____ remains at ____
a)
rest,rest
b)
state,state
c)
moving,moving
56.
what is one tyep of mechincal wave
a)
sound wave
b)
balanced wave
c)
unbalnced wave
57.
what is another type of mechanical wave
a)
surface wave
b)
standing wave
c)
big wave
58.
what is another type of wave
a)
transverse wave
b)
big wave
c)
standing wave
59.
what is another type of wave
a)
seismic wave
b)
standing wave
c)
big wave
60.
what is this a example of Sound waves are incapable of traveling through a vacuum
a)
transverse wave
b)
mechincal wave
c)
longitudnal wave
61.
the height of the wave, measured in meters.what is this a example of
a)
amplitude
b)
wavelnght
c)
sound wave
62.
what is t the distance between adjacent crests, measured in meters.
a)
wavelength
b)
amplitude
c)
frequency
63.
the time it takes for one complete wave to pass a given point, measured in seconds.
a)
period
b)
wavelength
c)
ampllitude
64.
the time it takes for one complete wave to pass a given point, measured in seconds.
a)
frequency
b)
amplitude
c)
wavelength
65.
what does frequency measure in
a)
hertz
b)
meters
c)
kilometers
66.
period=___
a)
1 frequency
b)
1 hertz
c)
wavelength
67.
what is reflection
a)
bending of waves due to change in speed
b)
waves bounced back after hitting a barrier
c)
the bending or spreading of waves as they move around a barrier or pass through an opening
68.
what is refraction
a)
bending of waves due to change in speed
b)
waves bouncing back off a barierr
c)
he bending or spreading of waves as they move around a barrier or pass through an opening
69.
what is diffraction
a)
bending of waves due to change in speed
b)
the bending or spreading of waves as they move around a barrier or pass through an opening
c)
waves bounced back after hitting a barrier
70.
sound wave is a example of what
a)
refraction
b)
diffraction
c)
reflection
71.
light is a exampe of what
a)
diffraction
b)
refraction
c)
reflection
72.
mirror is a exmaple of what
a)
reflection
b)
refraction
c)
diffraction
73.
what is from the electromagnetic spectrum
a)
radio wave
b)
frequency
c)
reflection
74.
what is the strongest from the electromagnetic spectrum
a)
gamma ray
b)
radio wave
c)
michrowave
75.
what is from the electromagnetic spectrum
a)
microwave
b)
frenquency
c)
light wave
76.
what is from the electromagnetic spectrum
a)
infrared
b)
lamborgini
c)
light wave
77.
what is from the electromagnetic spectrum
a)
visible light
b)
sound wave
c)
transverse wave
78.
what is from the electromagnetic spectrum
a)
ultraviolet
b)
longitudnal wave
c)
transverse
79.
what does opaque mean
a)
Not able to be seen through; not transparent.
b)
due to bending of speed
c)
fbounceing back from the barrier
80.
why cant you see through apples with flashlights
a)
opaque
b)
reflection
c)
refraction
81.
what is transparent
a)
allowing light to pass through so that objects behind can be distinctly seen.
b)
allowing light, but not detailed images, to pass through; semitransparent.
c)
not able to be seen through; not transparent.
82.
what translucent
a)
allowing light, but not detailed images, to pass through; semitransparent.
b)
not able to be seen through; not transparent.
c)
allowing light, but not detailed images, to pass through;
83.
. Which object or material is translucent?
a)
waxed paper
b)
water
c)
rick
84.
Which object does NOT make a shadow on a sunny day
a)
a sheet of clear glass
b)
a tree branch
c)
penny
85.
An object that blocks all of the light from passing through is...
a)
opaque
b)
transparent
c)
translucent
86.
A mixture of cyan and yellow paints gives ________ paint.
a)
green
b)
cyan
c)
red
87.
Adding red and green spotlights gives us what color?
a)
Cyan
b)
Yellow
c)
Blue
d)
Magenta
88.
If you look at the yellow Sun just before sunset for a few seconds and then look at a white cloud you see ______ afterimages of the Sun
a)
Red
b)
Green
c)
Blue
d)
Cyan
89.
What color would red cloth appear if it were illuminated by cyan light?
a)
Cyan
b)
Red
c)
Yellow
d)
Black
90.
Mixing yellow paint and magenta paint gives what color?
a)
Red
b)
Green
c)
Blue
d)
Cyan
91.
red + green
a)
white
b)
cyan
c)
magenta
d)
yellow
92.
red + green + blue
a)
white
b)
cyan
c)
magenta
d)
yellow
93.
green + blue
a)
white
b)
cyan
c)
magenta
d)
yellow
94.
red + blue
a)
white
b)
cyan
c)
magenta
d)
yellow
95.
Pupil
a)
Focuses light
b)
Clear tissue that covers the front of the eye
c)
Opening through which light enters the eye
d)
Layer of receptor cells
96.
Regulates the amount of light entering the eye and gives the eye its color.
a)
Iris
b)
Lens
c)
Pupil
d)
Retina
97.
Regulates the amount of light entering the eye and gives the eye its color.
a)
Iris
b)
Lens
c)
Pupil
d)
Retina
98.
The clear tissue that covers the front of the eye.
a)
Lens
b)
Pupil
c)
Iris
d)
Cornea
99.
The clear tissue that covers the front of the eye.
a)
Lens
b)
Pupil
c)
Iris
d)
Cornea
100.
What is letter B
a)
Optic nerve
b)
Lens
c)
Cornea
d)
Retina
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