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WorksheetsNature of Science
Total questions: 56
Worksheet time: 46mins
Constant
Something that is kept the same throughout an experiment.
A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Control Group
Something that is kept the same throughout an experiment.
A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Data Table
Something that is kept the same throughout an experiment.
A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Experiment
Something that is kept the same throughout an experiment.
A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Inference...
Educated guesses to explain what has been observed based on your prior knowledge and experiences.
The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.
A recreation of an object or phenomenon to explain what or how something happens.
Inquiry...
Educated guesses to explain what has been observed based on your prior knowledge and experiences.
The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.
A recreation of an object or phenomenon to explain what or how something happens.
Investigation...
Educated guesses to explain what has been observed based on your prior knowledge and experiences.
The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.
A recreation of an object or phenomenon to explain what or how something happens.
Model...
Educated guesses to explain what has been observed based on your prior knowledge and experiences.
The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
A systematic process that uses various types of data, logic, and reasoning to better understand something or answer a question.
A recreation of an object or phenomenon to explain what or how something happens.
Repeated Trials...
Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.
Use of the five senses or instruments to gather data or information.
To tell what you think will happen in advance based on information you already know
An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.
Observation...
Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.
Use of the five senses or instruments to gather data or information.
To tell what you think will happen in advance based on information you already know
An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.
Prediction...
Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.
Use of the five senses or instruments to gather data or information.
To tell what you think will happen in advance based on information you already know
An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.
Variable...
Multiple attempts to observe or record a measurement of a particular phenomenon to improve precision.
Use of the five senses or instruments to gather data or information.
To tell what you think will happen in advance based on information you already know
An event, condition, or factor that can be changed or controlled to test a hypothesis in a scientific experiment.
Conclusion...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.
Making Connections...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.
Procedure...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.
Science...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A way of knowing, or a process for systematically investigating the natural world. This does not have to follow a rigidly defined method, but it does involve the use of observations and explanations must be linked with evidence.
Reflection...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A process of thinking back on what we did as a way to improve things we do in the future
Hypothesis...
The final outcome based on the results from your experiment.
Reflecting on how the activity or experiment we performed relates to our life personally; understanding why it's important to us.
The sequence of actions or instructions to be followed in solving a problem or accomplishing a task such as in an experiment.
A guess about what you expect you will observe before you conduct your experiment
Why do scientists write the results of their investigation in science journals?
They want others to support their opinions.
To communicate and share their findings so that others can do the same investigation and get similar results.
It is required for being a scientist.
To show others what they are doing wrong.
Which is an opinion?
Purple is the best color for parrot fish.
The boiling point of water is 100ºC.
Bats us sonar to fly at night.
The ball rolled 10.2 feet over four tries.
For what can scientists use the data in the graph?
conclusion
investigation
evidence
opinion
Scientists conduct different kinds of investigations. Which of the following describes why Hannah's investigation was NOT an experiment?
Hannah did not collect and record data.
Hannah did not conduct a controlled test.
Hannah did not show her information in a graph
Hannah observed only three different weather features.
Which statement is an opinion and NOT scientifically testable?
Giraffes grow taller than zebras
Venus is the second planet from the sun.
Water on Earth occurs as a solid, liquid, or gas.
Computers never really help people.
Which kind of information helps you answer a scientific question, or problem statement, asked before before an experiment?
opinion
prediction
evidence
explanation
Ricardo is doing an experiment to find out which M&M color dissolves the fastest. Which statement best explains why he should record the steps of his experiment and his observations?
So that he can make a graph with his data
so that he can move on to another experiment
so that others can repeat his experiment and get similar results
so that others cannot claim they did the same experiment
Michelle conducted an experiment to find out how temperature affects humidity. She repeated her experiment four times. Which of the following is most likely the purpose of repeating her experiment?
to wait for better weather conditions
to see if she gets similar results each time
to change the data collected
to match her original hypothesis
Luisa is conducting an investigation about trees. She will use a meter stick to measure the length of the trees. Which of the following best describes why Luisa should write down her measurements in a data table as part of this investigation?
to help her use a meter stick
to help her control variables
to help her organize her data
to help her plan the steps to follow
Jada conducted a research about beavers. She concluded that beavers can be destructive. Which of the following statements provides evidence to support Jada's conclusion?
The beaver is the largest rodent in North America.
A group of beavers can cut down many trees in a single night.
Beavers communicate with one another by slapping their tails on the water
Centuries ago, tens of thousands of beavers were hunted for their fur.
Cactuses (cacti) were studied to determine if the amount of humidity affects the growth of the plants. Which of these was the independent variable in the study?
the growth of the plant
the type of sand
the different cactuses (cacti)
the amount of humidity
Cactuses (cacti) were studied to determine if the amount of humidity affects the growth of the plants. Which of these was the dependent (outcome/responding) variable in the study?
the growth of the plant
the type of sand
the different cactuses (cacti)
the amount of humidity
Look at the table. Plants were grown in different environments to see if temperature affects the number of new leaves per week. Which variable is the outcome (dependent/responding) variable?
water per day
temperature of environment
relative humidity
average number of leaves per week
Look at the table. Which factors are the constant variables?
water per day
temperature of environment
relative humidity
average number of leaves per week
Look at the table. Plants were grown in different environments to see if temperature affects the number of new leaves per week. Which variable is the independent (manipulated/test) variable?
water per day
temperature of environment
relative humidity
average number of leaves per week
Tessy has been growing tomato plants without fertilizer. Now, she wants to see what happens to the plants when the amount of fertilizer is increased, as shown in the chart. Which plant is the control group?
plant 1
plant 2
plant 3
plant 4
Look at the table. Tessy has been growing tomato plants. Now, she wants to see if the amount of fertilizer affects the growth of the tomato plant. Which of these was the test (independent/manipulated) variable?
amount of water
amount of fertilizer
the height of plant
the plant number
Look at the table. Tessy has been growing tomato plants. Now, she wants to see if the amount of fertilizer affects the growth of the tomato plant. Which of these was the outcome (dependent/responding) variable?
amount of water
amount of fertilizer
the height of plant
the plant number
Plant 1 and 2 both have plain soil, bean seeds, and the same amount of light. Plant 2 received more water. After 5 weeks the plants are measured. Based on the data, what is the correct conclusion?
The amount of water affects the height but not the mass of the plant.
The amount of water affects the mass but not the height of the plant.
The amount of water affects the mass and the height of the plant.
The amount of water does not affect the mass or the height of the plants.
What does this graph of plant heights show?
Plant 2 grew taller than plant 1.
Plant 1 was always taller than plant 2.
Plant 1 grew steadily. Plant 2 grew quickly and then stopped growing.
Plant 2 grew steadily. Plant 1 grew slowly at first and then grew quickly.
Three scientists conducted the same experiment to analyze the effectiveness of a cleaning agent on household bacteria. What is the main advantage of having the experiment repeated?
More bacteria will be destroyed
The results will be more reliable
A scientific journal will publish their work
The conclusion will lead to new discoveries
A student fed the fish in a aquarium at 8:00 a.m., 1:00 p.m., and 8:00 p.m. every day for two weeks. She observed that the fish ate more in the morning than at any other time of day. In order to verify her results, how should other students perform this experiment?
exactly the same as the first student did
conduct the experiment for three days
change the type of food fed to the fish
turn off the aquarium before each feeding
Test (Independent) Variable...
Something that is kept the same throughout an experiment.
the variable being tested in an experiment.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Dependent Variable...
variable that changes based on the independent variable
the variable being tested in an experiment.
A table or chart in which measurements or observations are collected and recorded from an experiment or investigation.
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Controlled Variable...
variable that changes based on the independent variable
the variable being tested in an experiment.
variables you keep the same in an experiment for valid results
A procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis.ConConConafdokasjfokpansgvpokang[ojkajn
Which safety rule is most important for students to follow when working with acids and bases?
wear nose plugs
put on saftey goggles
put away all lab supplies
wear heavy clothes
Some frog species will bury themselves in mud if the environment becomes very dry. The frogs enter into a type of hibernation. Which would be the most likely signal for the frogs to emerge from the mud?
a decrease in daylight hours
an increase in air temperature
an increase in precipitation
a decrease in air pressure
Students conducted a scientific investigation about soil types found in the school yard. What should the students most likely do to be sure their investigation will be understood by the class next year?
Includes the names of the students that worked on the investigation
Correctly label all the data in their charts and tables
Take a picture of the students doing the study
Give the report to the teacher
How would a student determine the temperature of the juice that is poured into a container?
measure the weight of the juice
measure the juice using a graduated cylinder
measure the juice using the thermometer
measure the time it takes for the juice to evaporate
A student compared the speeds at which a large and small marble rolled down an inclined plane. In order to make the findings more reliable, the student should
release the marbles at different lengths
repeat the experiment several times
tilt the plane at different angles
use two marbles that are the same size
A laboratory test involving 2000 onion plants found that onions grew larger bulbs when more nitrogen fertilizer was added to the soil. Which would most likely improve the reliability of this test?
use a different type of plant
Duplicate the same test in another laboratory
Repeat the test with phosphorus instead of nitrogen
Develop a new type of nitrogen fertilizer to test on onions
A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.
Drag the independent, dependent, and controlled variables for the student's experiment into the table.
Which is the independent variable?
sizer of sugar cube
temperature of water
time taken to dissolve
A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.
Drag the independent, dependent, and controlled variables for the student's experiment into the table.
Which is the dependent variable?
sizer of sugar cube
temperature of water
time taken to dissolve
A student conducts an experiment to study if the size of a sugar cube effects its rate of dissolving in a beaker that contains 100 mL of water.
Drag the independent, dependent, and controlled variables for the student's experiment into the table.
Which is the controlled variable?
sizer of sugar cube
temperature of water
time taken to dissolve
Which ability is the most useful for making observations?
senses
imagination
memory
creativity
A student plans to write a report about a type of bird that includes only facts. Which statement should the student leave out of the report
These birds are blue
These birds are beautiful
Most of these birds are 13 cm tall.
Most of these birds are about 10 grams
It is important to perform experiments more than once in order to
find a better way of doing things
record your results in a notebook
compare your hypothesis with the results
make sure that the same thing happens every time
Two scientists doing the same experiment got different results. Which would be the best way to figure out which result might be correct.?
A group of scientists should argue about the results
The two scientists should do different experiments
More scientists should do the experiment
A group of scientists should vote
