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Worksheets7th Review: The Nature of Science
Total questions: 58
Worksheet time: 31mins
The investigation and exploration of natural events and of the new information that results from those investigations is...
science
observations
inferences
conclusions
This field of science studies landforms, rocks, soil, and the forces that shape the Earth's surface...
physical science
life science
earth science
chemistry
If you are studying living things, such as this frog, your field of study is most likely...
earth science
life science
physical science
chemistry
Physical science includes the study of... (choose 2)
the Earth's interior
matter
animal adaptations
energy
Physical science includes these two topics... (choose 2)
biology
geology
chemistry
physics
This is a process that uses a variety of skills and tools to answer questions or test ideas about the natural world...
scientific inquiry
critical thinking
accuracy
hypothesis
If I'm using my senses to gather information and study what is occurring, this is...
prediction
critical thinking
inferences
observations
A logical explanation of an observation that is drawn from prior knowledge or experience is...
a hypothesis
an inference
a prediction
an observation
A possible explanation about an observation that can be tested by scientific investigation is...
critical thinking
a hypothesis
a description
sampling
When a meteorologist releases a statement as to what they believe will happen next with the weather, this is...
a hypothesis
a prediction
an explanation
a variable
A summary of the information gained from testing a hypothesis is...
an inference
an experiment
a conclusion
a description
The practical use of scientific knowledge, particularly for industrial or commercial use, like this smartphone, is...
sampling
critical thinking
precision
technology
An explanation of observations or events based on knowledge gained from many observations and investigations is...
a scientific law
a scientific theory
critical thinking
a controlled experiment
This describes a pattern or an event in nature that is always true...
a scientific theory
a scientific law
an explanation
a prediction
When we hear or see results claiming to be based on scientific investigations, we need to compare the information we are given with what we already know in order to decide whether we agree with it. This is called...
precision
accuracy
critical thinking
bias
Data collection that involves studying small amounts of something in order to learn about the larger whole is...
a blind study
a controlled experiment
sampling
a qualitative description
To reduce bias in sampling, the experimenter should...
pick his or her test subjects
ask their close friends to participate in the study
participate in their own study
randomly pick the test subjects
Since it is generally impossible to study an entire population (every individual in a country, all college students, etc.), researchers typically rely on _______________ to acquire a section of the population to perform an experiment or observational study.
critical thinking
crazy, wild guesses
blind studies
sampling
Intentional or unintentional prejudice toward a specific outcome in research is...
bias
critical thinking
a blind study
not a concern of mine
A procedure when the investigator, subject, or both do not know which item they are testing so personal bias cannot affect an investigation is called...
a blind study
a qualitative description
bias
a quantitative description
In this experiment, students sampled different milk brands. The milk was poured into identical glasses and the students were not told the brand of the milk. This is an example of...
a blind study
a moo-ving experience
not sure- utterly lost on this one...
lactose intolerance
A spoken or written summary of observations is...
a description
a hypothesis
an inference
a prediction
If you were using numbers to describe how many seconds it takes for a change to happen, such as a piece of magnesium ribbon to dissolve in acids of different concentrations, this would be...
a qualitative description
a quantitative description
If you were describing a leaf and recorded that it was yellow-green in color, had spiky edges, and a waxy surface, this is...
a qualitative description
a quantitative description
An interpretation of observations can lead to this...
a hypothesis
hair loss
insanity
a prediction
The internationally accepted system of measurement is...
the English System of measurement
the International System of Units
A description of how close a measurement is to an accepted or true value is referred to as...
accuracy
precision
A description of how similar or close measurements are to each other is...
accuracy
precision
A scientific investigation that tests how one variable affects another is referred to as...
a qualitative description
a quantitative description
a hot mess
a controlled experiment
Any factor in an experiment that can have more than one value is...
a variable
a constant
the control
an observation
Miguel placed two circles of paper in a Petri dish- one circle was soaked in penicillin and the other had nothing on it. He poured a liquid filled with bacteria into the Petri dish. What was the independent variable in his experiment?
the two circles of paper
the exposure to penicillin
the size of the bacteria colony at the end of the experiment
the liquid filled with bacteria
Alyse waters three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives regular water. After a two week period, the height is measured. What is the dependent variable?
the concentration of salt in the solution
the height of the plants
the regular water
the type of sunflower plant
Aiden placed wax palm trees at different humidity levels inside of a greenhouse for 12 weeks. He left one tree outside in normal conditions. He measured the height of the trees once a week. What is the control in his investigation?
the different humidity levels
the amount of time in the greenhouse
the tree left outside in normal conditions
the height of the tree
Noah conducted an experiment in which he had one tank of goldfish that was fed the normal amount of food once a day, a second tank fed twice a day, and a third tank fed four times a day during a six week study. He recorded the fish’s body fat daily. What is the independent variable?
the goldfish fed the normal amount
the frequency of feedings
the fish's body fat
the length of the study
Saige conducts an experiment in which strawberry plant clones are given different amounts of water for a 3 week period. The first strawberry plant receives 400 mL of water a day. The second strawberry plant receives 200ml a day. The third receives 100ml a day. The fourth does not receive any extra water. She recorded the height of the strawberry plants daily. What is the independent variable?
the amount of water the plant receives
the daily height of the plants
the fourth plant that does not receive extra water
the 3 week period of the study
Silas conducted a study to see how different tire treads affect the braking distance of a car. He used the same brand of tire, same tire size, same vehicle, and kept his speed at braking the same in each trial. What are the constants in the experiment? (Choose 2)
the tire tread
the braking distance
the brand and size of tire
the car and the speed at braking
The first step in the practice of scientific inquiry is...
form a hypothesis
test the hypothesis
make observations
draw conclusions
If your hypothesis is not supported, you should...
call it a day and throw out your research
manipulate the data
modify the hypothesis and repeat the inquiry process
not science any more
Some results that we see from scientific inquiry are... (choose all that apply)
new technology
new materials
possible explanations
nothing really...
Which of the following are ways to minimize bias in a scientific investigation?
sampling
repetition
blind studies
none of these
The U.S. should convert to SI because... (choose 2)
it is more accurate
it is based on powers of 10 and is easy to convert
it is used globally
the measurements are more precise
Convert the following: 4 km = _____________ m
40 m
400 m
4,000 m
40,000 m
Convert the following:
4.2 dag = ______________dg
0.42 dg
.042 dg
420 dg
4,200 dg
Convert the following:
456.2 cm = ___________ hm
0.4562 hm
45.62 hm
4,562 hm
0.04562 hm
How many significant digit?
4,005.0 g
2
3
4
5
How many significant digits?
0.03 cm
1
2
3
4
How many significant digits?
600
1
2
3
4
How many significant digits?
00.4463
3
4
5
6
How many significant digits?
76.0128 kg
3
4
5
6
What is this science tool?
a coaster
a science journal
a flask
a graduated cylinder
What is this science tool?
a scale
an electronic scale
a triple beam balance
a balance beam
What is this science tool?
a flask
a graduated cylinder
a test tube
a beaker
What is this science tool?
a beaker
a test tube
a graduated cylinder
a flask
What is this science tool?
a beaker
a test tube
a flask
a graduated cylinder
What is this science tool?
a graduated cylinder
a temperature thingy
a thermometer
a thing-a-ma-bob
What is this science tool?
a mirror
a lamp
a compound light microscope
an electron microscope
What is this science tool?
a cover slip
a microscope slide
a spot plate
a magnifying glass
What is this science tool?
an eye dropper
a pipette
a dripper
a dropper
