Scientific methods are organized ways to answer questions.

Which of these statements is a hypothesis?

Plants will grow taller because water helps it grow.

Why do scientists repeat experiments several times?

to make sure their results are accurate

What is scientific inquiry?

the process of asking questions and searching for answers

What steps would you do in a scientific investigation before doing an experiment?

observe; research; make predictions; formulate questions

How is evidence different from an inference?

Evidence is information. An inference is a conclusion.

After asking a question, what do scientists do next?

study what other scientists have already learned

It is important to wear safety goggles when conducting an experiment because

some chemicals can damage your eyes

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Scientific Method Review

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Grade 4

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Questions 13

Answers

1
Which is true?
Scientific methods are always done in the same order.
Scientific methods are organized ways to answer questions.
Scientists always use the same scientific methods.
Only trained scientists use scientific methods.
2
Which of these statements is a hypothesis?
Plants will die without water.
Plants will grow taller because water helps it grow.
Plant A will grow taller than Plant B
Plants need water.
3
Why do scientists repeat experiments several times?
to change the variable each time
to make sure their results are accurate
to memorize the procedures
to use up all their materials
4
What is scientific inquiry?
drawing conclusions from facts and information
the process of asking questions and searching for answers
analyzing data from an experiment
a careful way to look at something
5
What steps would you do in a scientific investigation before doing an experiment?
observe; research; make predictions; formulate questions
purchase lab equipment; observe; make predictions
observe; communicate your findings; analyze your data
observe; build a computer model
6
What is a set of step-by-step instructions.
Inference
Data
Statistic
Procedure
7
What is the process of asking questions and searching for answers.
Collecting Data
Studying
Inquiry
Analyzing Data
8
How is evidence different from an inference?
Evidence is information. An inference is a conclusion.
Evidence is information. An inference is a plan
Evidence is a prediction. An inference is information.
Evidence is a plan. An inference is a conclusion
9
Which is a device that helps you see objects in the sky
Telescope
Glasses
Microscope
Hand Lens
10
Encyclopedias, books, magazines, and the Internet are examples of
Books
Magazines
Reference Materials
Science
11
Which is an object or device used to perform a task.
Variable
Tool
Instrument
Telescope
12
After asking a question, what do scientists do next?
study what other scientists have already learned
keep good records
conduct experiments
share their information with others
13
It is important to wear safety goggles when conducting an experiment because
your hands must be protected from sharp things
goggles help you see your lab partners
some chemicals can damage your eyes
some chemicals are dangerous to breathe or smell

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