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Worksheetsscience test
Total questions: 106
Worksheet time: 3hrs 17mins
Why does the earth have seasons?
The earth's orbit brings it closer and further from the sun
The earth is titled on its axis
Changes in air pressure bring periods of warm and cold weather
The seasons are unpredictable.
True or false: Half of the moon is always lit by the sun.
True
False
If there is a full moon which moon phase would we see next on earth?
New moon
Waxing crescent
Waning crescent
Waning gibbous
The sun is rising in the east. What direction will the tree's shadow be cast?
East
West
North
South
Look at the picture. What time will the tree's shadow be the smallest?
7am
12pm
5pm
10am
The sun rises in the _____ and sets in the _____
east, west
west, east
east, east
east, south
This is the moon phase calendar for the month of February. When would it make the most sense for the next new moon to occur in March?
March 1st
March 8th
March 15th
March 31st
True or false: Shadows are always cast towards the sun.
True
False
Look at the earth labeled under the June Solstice. What is the season in the southern hemisphere?
Summer
Fall
Winter
Spring
Look at the earth labeled September equinox. What is the season in the northern hemisphere?
Spring
Summer
Fall
Winter
All atoms have
mass and volume
mass only and no volume
no mass and no volume
volume only and no mass
What are magnets made of?
iron
sulfer
aluminum
copper
How does a warmer temperature affect the atoms of an object?
the particles vibrate slower
temperature has no affect on the particles in an atom
the particles vibrate faster
When heat is removed when changing from a gas to liquid or liquid to solid, atoms in an object
move closer together
move further apart or spread out
How is the melting point of 2 samples of gold affected if the samples are different sizes?
The larger sample will melt faster
The smaller sample will melt faster
The melting point is not affected by the sample size
They will melt at the same rate.
How is the melting process of 2 samples of gold affected if the samples are different sizes?
The larger sample will melt faster
The smaller sample will melt faster
The melting process is not affected by sample size
They will melt at the same rate
How do the densities of a 250 mL sample of water compare to a 500 mL sample of water?
The densities of the samples are the same.
The density of the larger sample is +250 mL
The density of the smaller sample is -250 mL
The combined density of the samples is 750 mL
True or False. The density of a 12g sample of copper is greater than the density of a 4g sample
True
False
Matter is made of
atoms
mass
volume
solutions
Which of the following are traveling disturbances that carry energy?
sound waves
light waves
earthquake (seismic waves)
all of the above
In order for light to enter the eye and be seen as an object, light must first do what?
reflect off the object
refract off the object
be absorbed
be transmitted
What is the only part of the electromagnetic spectrum that can be seen?
radio waves
infrared waves
ultraviolet waves
visible light waves
Because of the increased distance between air particles, sound travels ______ in air.
faster
slower
What is the effect of thicker strings on a guitar?
the thicker the string, the higher the pitch
the thicker the string, the lower the pitch
guitar string thickness has no effect on pitch
Sound waves and P waves travel as _______waves.
transverse
longitudinal
You must have a vibration in order for which type of wave to travel?
sound wave
light wave
p wave
s wave
Why is sand at the beach warmer during the day?
the sand absorbs the suns energy
the sand releases the suns energy
A ceramic coffee cup is an example of a good _________.
conductor
insulator
thermalator
radiator
Which of the following is NOT an example of a good insulator?
rubber
wood
metal
platic
True or False. Two pieces of aluminum foil rolled into pieces of wire behave differently even though they are composed of the same atoms?
False
True
A student observes that the craters on the moon are different sizes. The student designs an experiment to study the formation of craters. The materials for the experiment are marbles and a pan of flour. Which is the missing step.
Step 1.) Fill a round pan with flour.
Step 2.) Smooth out the flour in the pan.
Step. 3.) __________________________________
Step 4.) For each trial, measure the size of the crater formed and then smooth out the flour again.
Drop the same marble from different heights into the pan of flour.
Drop marbles of different masses from the same height into the pan.
Drop marbles of different sizes from different heights into the pan.
Drop a single marble one time into the pan.
A student designs an experiment to test the force of a spring launcher and four spheres with the same diameter but with different masses. What other piece of equipment would be most useful for this experiment?
A graduated cylinder to measure the volume of each sphere
A beaker to collect the spheres after they are launched.
A stopwatch to measure how long it takes to lead each sphere on the spring.
A meterstick to measure the height each sphere reaches after the sphere is launched.
Students in a science class were heating a beaker on a hot plate when the beaker burst. The students should do all of the following EXCEPT -
immediately notify the teacher of the incident.
pick up the broken glass and dispose of it in the trash.
step away from the beaker and hot plate.
stop and wait for the teacher to give instructions.
You should only do an experiment one time for the best results.
True
False
Investigations should always be safe. Which safety equipment is not needed when working on an experiment that require a heat source?
goggles
tongs
gloves
ruler
Which form of energy does Cheryl need to make a skateboard move?
light
electrical
mechanical
thermal
During a hot summer day, many people use a fan to cool off. Which statement correctly describes the forms of energy related to the fan.
The fan uses light energy to produce mechanical energy.
The fan uses electrical energy to produce mechanical energy.
The fan uses thermal energy to produce mechanical energy.
The fan uses mechanical energy to produce light energy.
Grandma love to bake chocolate chip cookies when her grandkids come to visit. When she removes the baking sheet our of the oven she uses pot holders. Why are the pot holders necessary?
The metal baking the sheet insulates thermal energy.
The metal baking pan conducts thermal energy.
The metal pan reduces thermal energy.
Was Albert Einstein the greatest Physicist of the 20th century?
Testable
Not testable
Are cats better than dogs
Testable
Not testable
Which brand of flea collar protects your pet from fleas the best?
Testable
Not Testable
Is a tennis ball or golf ball more fun to play with?
Testable
Not testable
Which color of Skittles taste better?
Testable
Not testable
Which ingredient makes a cake rise?
Testable
Not testable
Which brand of cake mix taste better?
Testable
Not testable
Which brand of battery last the longest?
Testable
Not testable
Does the sun heat salt water and fresh water at the same rate?
Testable
Not testable
Do Hershey Kisses melt in your hand?
Testable
Not testable
When matter has an overall positive or negative charge?
Neutral
Electric Force
Electric Charge
Conductor
What is it called when something has NO electric charge?
Source
Static Discharge
Neutral
Repel
What would happen if two objects both had negative electric charges?
Magnetic Field
Interact
They would repel
Static Discharge
If an object has a negative and a positive charge what would happen?
Electric Charge
Attract
Neutral
Source
What is the push or pull of charged objects?
Magnetic Field
Electric Charge
Static Discharge
Electric Force
In what do electrical charges move easily?
(a)
In what can charges NOT move easily?
(a)
Static discharge is the transfer of particles that have an electric charge between objects that are_?
Touching
Not Touching
A force's charge is the cause or_?
(a)
A magnet not made magnetic by people? Hint - earth is the largest one of these on the planet.
Source
Natural Magnet
Permanent Magnet
Magnetic Pole
What type of magnet cannot turn off its magnetism? Hint - I use these on our white board.
Paper Clips
Natural Magnet
Electromagnets
Permanent Magnet
This type of magnet can be turned on and off by electric current. Hint - think about our paperclip experiment.
Electromagnets
Source
Natural Magnet
Conductor
Where is the magnetic force the strongest?
(a)
Objects interact when they_
Repel each each other
affect each other
Where is the space where the force of a magnet acts?
(a)
What force was Wegener looking for to explain how the continents moved?
subduction zones at plate boundaries
hot spots under continents
magnetic reversals of the north and south poles
convection currents in the mantle
1. How is a range of data determined?
By taking the lowest amount in your data set and subtracting from it the highest amount.
By determining the median and mode of a set of numbers
By taking the highest amount in your data set and subtracting from it the lowest amount.
By how high up the numbers go on the y axis
1. If the range of your data is 36 units, how high should the numbers go on your y axis?
You must have 30 units on the y axis
You must have units divided into 3's on the y axis
You need to have at least 36 numbers on your y axis
You need to have as many units as you do on the x axis
What information goes on the y- axis?
The indedpendent variable. The factor that is manipulated or changed in order to test the effect of the change on another variable- in other words, the thing that "I" the scientist will change or test.
The dependent variable. It is units of measurement for the data being gathered.
Different categories to be tested
Names of the people conducting the experiment
What are the necessary components to any data table or graph?
Your name on the paper
Different colors for each bar on the bar graph
a line that connects both the y axis and the x axis
a title, column headings, axis headings, units of measurement
Why do we use models?
Building something by hand makes science more fun
to represent things that are too small to see, or that are too large to see. They can be used to explain the past and predict the future.
to determine the difference between the independent and dependet variable
to encourage better peer review
1. List some different types of visual models:
Weather maps, maps
a globe
a grid that shows percentages
a 3D model of a human skeleton
What is an experiment?
Observing carefully and recording movements of live animals
Practice with chemicals and potions
An organized procedure to study something under controlled conditions
Building a model to demonstrate a theory
1. What are the steps of a scientific investigation in the correct order ?
hypothesis, variables, observations, collect data, analyze, conclusions
hypothesis, analyze, make observations, choose variables, conclusions
Make observations, collect data, make a hypothesis, choose variables
Analyze the question, collect data, choose variables, conclusions
List some reliable scientific sources
ebay.com and amazon.com
wikipedia.com , wikianswers
government science agency, university websites
ask a grown up that you know is knowledgeable
What are some unreliable scientific sources?
a university webpage
a government scientific agency
a hospital website
an advertisement promoting a product, personal webpages
1. What is the difference between a theory and a law?
A law describes, a theory explains
A law explains, a theory describes
A law can change, theories can't
A law has to be accepted by 100 scientists, a theory does not
1. What is an independent variable?
The results that we measure
The numbers that include the units of measurement
The factor that is manipulated or changed in order to test the effect of the change on another variable- in other words, the thing that the scientist will change or test
The part of the experiment that the scientist must perform alone
What is the dependent variable?
What I the scientist decide to test or change
the part of the experiment that depends on aonther scientist
the part of the axis where you must put the names of the scientists
the fact that the experimenter measures to gather data about the effect- in other words, the results of the experiment
What are the conditions in the air outside at a certain time and place called?
cloudy
weather
temperature
What is a thermometer?
It measures air temperature.
It measures wind speed.
It measures air pressure.
What does a wind vane show?
wind speed
wind direction
air pressure
What does a barometer measure?
wind speed
air pressure
rainfall
What does a rain gauge measure?
rainfall
air pressure
temperature
What does an anemometer measure?
air pressure
wind speed
temperature
How many seasons are there?
5
2
3
4
What is wind?
water such as rain and snow
moving air
how hot or cold the air is
What is precipitation?
clouds
how hot or cold the air is
water such as rain and snow
What is air pressure?
force with which air pushes on Earth
how hot or cold the air is
water such as rain and snow
What is a front?
It is a place where two very large masses of air meet.
It is a pattern that repeats year after year.
It is the condition of the air at a certain time and place.
Which order of the season is correct?
winter, summer, fall, and spring
winter, spring, summer, and fall
winter, fall, spring, and summer
A cold front bring what kind of air tempertures?
warmer
colder
wetter
Why do scientists measure changes in the weather?
To predict what kind of weather might happen next
To guess what kind of weather might happen next
To test their measuring skills
What are patterns of weather that change throughout the year?
weeks
months
seasons
What is the general pattern of weather in an area over a long period of time?
weather
climate
seasons
What reduces the impact of flooding?
weather map
lightning rod
levee
What directs electricity safely to the ground?
lightning rod
weather maps
levee
What should you do if you hear thunder?
nothing
go indoors and stay away from windows
go outside and play in water
Thunderstorms and hurricanes are hazardous because ______.
they can't be predicted
they make little wind
they cause flooding.
