EOC Practice 1st Semester Concepts #6 Question Preview (ID: 34592)


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What skill is a scientist using when she listens to the sounds that whales makes.
a) making a hypothesis
b) drawing conclusions
c) interpreting data
d) making observations

What is the correct order of the steps in the scientific method.
a) Make a hypothesis, test the hypothesis, analyze the results, ask a question, draw conclusions, communicate results.
b) Ask questions, make a hypothesis, test the hypothesis, analyze results, draw conclusions, communicate results.
c) Ask a question, make a hypothesis, test hypothesis, draw conclusions, analyze results, communicate results.
d) Ask a question, analyze results, make a hypothesis, test the hypothesis, draw conclusions, communicate results.

Which question would be the best high level scientific question?
a) How many giraffes live in Africa?
b) How long ago did dinosaurs live on the Earth?
c) Does the amount of salt in water affect the temperature at which it boils?
d) Who made the first microscope?

Which of the following is NOT a rule when writing a hypothesis?
a) It is a prediction.
b) it should restate the question
c) It is an if/then statement
d) It is testable

An experiment that tests only one factor at a time by using a comparison of a control group and an experimental group is?
a) a controlled experiment
b) a theory
c) an independent variable
d) a dependent variable

Which of the following hypotheses is written correctly?
a) If I freeze a tennis ball, then it will not bounce as high
b) if I heat up a tennis ball it will bounce high.
c) If a tennis ball is frozen, it won't bounce as high as one that is not frozen.
d) Frozen tennis balls will not bounce as high.

The process of obtaining information by using the senses is called a/an
a) scientific method
b) observation
c) inquiry
d) conclusion

A series of steps designed to help you solve problems and answer questions
a) scientific method
b) observation
c) hypothesis
d) experiment

In an experiment, the one variable that is changed is called the
a) controlled variable
b) experimental variable
c) independent variable
d) dependent variable

In an experiment, the factor that we measure is called the
a) independent variable
b) dependent variable
c) conclusion
d) controlled variable

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
a) the male alligators
b) the gender of the alligator
c) the incubator
d) the temperature

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
a) the size of the baby alligators
b) the temperature
c) the gender of the baby alligators
d) the incubator

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the independent variable is
a) the amount of salt in the water
b) the number of plants in the water
c) the water
d) the temperature of the water

A scientist conducted an experiment to determine how the amount of salt in a body of water affects the number of plants that can live in the water. In this experiment the dependent variable is
a) the number of plants in the water
b) the temperature of the water
c) the water
d) the amount of salt in the water

All the things in an experiment that must be the same to make it fair are called
a) dependent variables
b) controlled experiments
c) independent variables
d) controlled variables or constants

In science, an educated guess is called a/an
a) conclusion
b) observation
c) hypothesis
d) question

Which unit of measure is NOT used in the International System of Units
a) grams
b) centimeters
c) milliliters
d) inches

In which step of the scientific method do we want to use graphs
a) draw conclusions
b) make a hypothesis
c) asking questions
d) analyze data

Which of the following is important when creating a graph in science
a) labels
b) titles
c) all of these
d) neatness

A scientist who wants to study the affects of fertilizer on plants sets up an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the control group.
a) Plant B
b) Plant A
c) All of them
d) Plant C

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