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Worksheetsscience test
Total questions: 44
Worksheet time: 27mins
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
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
A student has four bars of soap. The student wants to test whether each bar floats in water. What is a good reason for placing all the bars of soap in the sink at once?
only the heaviest bar will sink
each bar of soap will be tested in the same sink
only the lightest bar will float
each bar of soap will be tested in the same water
A student wants to watch a frog in its natural surroundings. Which of the following is the FIRST thing the student should do?
Put another frog near the first frog to see how they act
catch the frog to watch in the lab
Observe the frog from afar without disturbing it
leave food near the frog for it to eat
_________. is pieces of information
logical
explanation
data
critical thinking
Most gases are invisible.
true
false
Solids cannot be easily compressed.
true
false
Gas particles are packed tightly together and cannot move much.
true
false
Solids can be easily compressed and most spread into open spaces. The particles move freely and are spaced far apart.
true
false
A brick is a solid.
True
False
______ is an educated testable guess about the outcome of an investigation.
data
hypothesis
conclusion
Data is pieces of information.
True
False
_______ most spread into open spaces and flow easily.
gas
solid
liquid
______ is a container used to measure the volume of liquids.
graduated cylinder
microscope
goggles
triple beam balance
Relative Density: _________ dense than water floats.
less
more
______ is anything that has mass and takes up space.
properties
relative density
mass
matter
Physical state is the classification of matter as a solid, liquid, or gas.
True
False
Liquid takes the shape of their container. It has a definite volume and can be measured.
true
false
_______ cannot be easily compressed can be cut, has definite shape and volume
solid
liquid
gas
A student has 4 boats. The students want to test whether each boat floats in water. Why would the student place all boats in the sink with water at once?
only the heaviest will sink
each boat will be tested in the same sink
Only the lightest bar will float
each boat will be tested in the same water
The picture shows an aerialist walking on a tightrope and holding a balancing bar.
An action-reaction pair of forces exists between-
the aerialist's feet and the rope
the rope and the balancing bar
the two ends of the rope
the aerialist's arms and legs
The photograph shows mountains in the Andes range in South America.
Which statement describes the geologic process that is most likely responsible for the formation of these mountains?
They are along a transform plate boundary that is no longer active, so erosion is creating deep valleys
They are along a transform plate boundary in which plates are currently moving side by side, causing earthquakes and faults
They are along a plate boundary in which plates are currently converging, causing uplift and steep slopes
They are along a plate boundary in which plates diverged in the distant past, allowing new rock to build up.
The photograph shows mountains in the Andes range in South America.
Which statement describes the geologic process that is most likely responsible for the formation of these mountains?
They are along a transform plate boundary that is no longer active, so erosion is creating deep valleys
They are along a transform plate boundary in which plates are currently moving side by side, causing earthquakes and faults
They are along a plate boundary in which plates are currently converging, causing uplift and steep slopes
They are along a plate boundary in which plates diverged in the distant past, allowing new rock to build up.
How many valence electrons are in an atom of each element in Group 15 in the periodic table?
5
6
4
1
An ecosystem that is not sustainable can break down when a natural disaster occurs. This can lead to organisms in the ecosystem either leaving the area or dying off.
Increased biodiversity results in a more sustainable ecosystem because-
a greater number of plant species means that there is less barren land
a greater variety of species present allows more organisms to adapt after changes occur
the transition area between two ecosystems is narrower
there are fewer species to be affected by environmental stresses
The diagram of Situation 1 shows one person failing to move a refrigerator up a ramp, while the diagram of Situation 2 shows two people successfully pushing a refrigerator up a ramp.
What comparison can be made about the work done in the two situations?
In Situation 1, no work was done, while 12,000 J of work was done in Situation 2.
In Situation 1, 1,600 J of work was done, while 3,000 J of work was done in Situation 2
In Situation 1, no work was done, while 8,000 J of work was done in Situation 2
In Situation 1, 1,400 J of work was done, while 1,300 J of work was done in Situation 2
This drawing shows a human body system.
What is the primary function of this body system?
The protection of vital organs from injury
The chemical breakdown of food into smaller pieces
The transport of nutrients, water, and oxygen to body cells
The production of hormones that regulate growth and metabolism
The beginning of autumn in North America is in September, but the beginning of autumn in South America is in March. The diagram shows the positions of Earth, the moon, and the sun on one day in September and one day in March.
Why does autumn start in different months of the year in North America and South America?
Earth's orbit around the sun is not a perfect circle
North America has a larger landmass than South America
The moon has a greater pull on South America than on North America
Earth's axis has a 23.5 degrees tilt
A 1,100 kg car comes uniformly to a stop. If the vehicle is accelerating at -1.2m/s2
-9,600 N
-1,300 N
-900 N
-94 N
To fight a bacterial infection, a patient was given antibiotic to take for 10 days. After the patient finished taking the antibiotics as directed, almost all the bacteria were killed. After another 10 days, the patient was sick again with the same type of infection.
What most likely happened?
A few bacteria survived the antibiotics and stopped reproducing
The patient's high fever inactivated the antibiotic, allowing the surviving bacteria to grow rapidly
The antibiotic slowed the life cycle of the bacteria
Some of the bacteria were resistant to the antibiotic, and they reproduced
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
Some of the chemical energy in the natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.
Some of the thermal energy in the natural gas transforms into sound energy when the water becomes hot. Then some of the sound energy changes into light energy when the kettle becomes warm.
Some of the electrical energy in the natural gas transforms into thermal energy, which causes the water to form steam. Then some of the thermal energy changes into sound energy and light energy when the steam leaves the kettle.
Some of the light energy in the natural gas transforms into chemical energy in the water. Then some of the chemical energy changes into kinetic energy when steam leaves the kettle and into sound energy when the water boils.
For a laboratory investigation some students put a strip of shiny metal into a beaker of blue solution and then stored the beaker on a shelf overnight. The next morning, the students recorded observations about the metal and the solution in the box below.
Based on their obsevations, can the students correctly conclude that a chemical reaction occurred?
No, because the metal strip was still visible
Yes, because a new material of a different color formed on part of the metal strip
No, because the solution stayed blue
Yes, because the volume of the blue solution stayed the same
Which statement about stars is correct?
Star formation begins in a nebula
White dwarfs become main-sequence stars when they gain mass
Supergiants are stars that can absorb black holes
Main-sequence stars are formed by comets
A partial grassland food web is shown.
Which of the following best describes a relationship in this grassland?
Badgers are top predators because they eat upland sandpipers and beetles
A producer-consumer relationship exists between lupines and ants
A predator-prey relationship exists between beetles and ground squirrels
Upland sandpipers are primary and secondary consumers because they eat grasses and grasshoppers
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
