Worksheets4th Grade Science: Part 1 Lessons 3-4
Total questions: 36
Worksheet time: 18mins
Name
Class
Date
1.
What are scientific methods?
a)
Observations and facts gained from experiments
b)
A possible answer to your question
c)
Organized ways to answer questions and solve problems
2.
What is a hypothesis?
a)
Observations and facts gained from experiments
b)
A possible answer to your question
c)
The thing you change in an experiment
3.
What are independent variables?
a)
Observations and facts gained from experiments
b)
The thing you measure and observe in an experiment
c)
The thing you change in an experiment
4.
What are dependent variables?
a)
Observations and facts gained from experiments
b)
The thing you measure and observe in an experiment
c)
The thing you keep the same in an experiment
5.
What are controlled variables?
a)
Observations and facts gained from experiments
b)
The things you keep the same in an experiment
c)
The results gathered in an investigation
6.
What is evidence in scientific experiments?
a)
Observations and facts gained from experiments
b)
A possible answer to your question
c)
The thing you change in an experiment
7.
What is the first step in the scientific method?
a)
State your hypothesis
b)
Collect and record your data
c)
Ask a question about something you observe
8.
How should you state your hypothesis?
a)
Write it as an if/then/because statement
b)
Make a plan to test your hypothesis
c)
Identify and control variables
9.
What should you do to ensure a fair test in an experiment?
a)
Choose 1 variable to change
b)
State your conclusion
c)
Collect and record your data
10.
Why is it important to repeat each trial 3 times in an experiment?
a)
To make the experiment more fun
b)
To save time
c)
To get more reliable results
11.
What is data in scientific investigations?
a)
Observations and facts gained from experiments
b)
The thing you change in an experiment
c)
The results gathered in an investigation
12.
How do scientists use diagrams, charts, and graphs?
a)
To state their hypothesis
b)
To make the experiment more exciting
c)
To interpret their data
13.
What is a conclusion in a scientific investigation?
a)
The thing you change in an experiment
b)
The final step of the scientific method
c)
A statement based on your data
14.
Why do scientists compare results?
a)
To compete with other scientists
b)
To make their experiments more complicated
c)
To make sure they didn't make mistakes and to generate new questions and ideas
15.
How do experiments help scientists?
a)
By making them rich and famous
b)
By helping them predict the future
c)
By helping them learn, predict, and ask exciting questions about the world
16.
What is a procedure in a scientific investigation?
a)
A set of step-by-step instructions for how to perform a test
b)
The results gathered in an investigation
c)
A statement based on your data
17.
What is an inference in science?
a)
The thing you change in an experiment
b)
A conclusion drawn from data and observations
c)
The final step of the scientific method
18.
What is the role of data in science?
a)
To make experiments more complicated
b)
To state the hypothesis
c)
To support conclusions and make inferences
19.
Why is it important for scientists to have reliable data?
a)
To make their experiments more interesting
b)
To make their conclusions more confusing
c)
So their conclusions can be more useful
20.
How do scientists use tables and graphs in their work?
a)
To make their experiments more exciting
b)
To organize data and make it easier to understand
c)
To state their hypothesis
21.
What type of graph uses rectangular bars to compare data?
a)
Line graph
b)
Pie chart
c)
Bar graph
22.
When are line graphs often used in science?
a)
To show patterns of data over time
b)
To make experiments more complicated
c)
To state a hypothesis
23.
What do scientists base their explanations on?
a)
Guesses and opinions
b)
Evidence
c)
Imagination
24.
What is an observation in science?
a)
A guess about something
b)
A conclusion drawn from data
c)
Noticing something using your senses
25.
What is an example of an inference?
a)
"The tree has no leaves."
b)
"The tree lost its leaves because the season is fall."
c)
"The tree is tall."
26.
What is an example of an observation?
a)
"The tree has no leaves."
b)
"The tree lost its leaves because it's angry."
c)
"The tree is the tallest tree in the world."
27.
How do scientists develop reasonable answers?
a)
By using evidence from their observations and experiments
b)
By making wild guesses
c)
By ignoring data
28.
What is the purpose of comparing results in science?
a)
To win a competition
b)
To make experiments more complicated
c)
To ensure accuracy and generate new questions and ideas
29.
What do experiments help scientists do?
a)
Predict the past
b)
Predict the future
c)
Learn, predict, and ask exciting questions about the world
30.
What is the purpose of procedures in scientific investigations?
a)
To make the experiment more fun
b)
To provide step-by-step instructions for performing a test
c)
To write a conclusion based on your data
31.
How do scientists use diagrams in their work?
a)
To create fictional stories
b)
To represent data visually and make it easier to understand
c)
To keep their experiments secret
32.
Why do scientists keep detailed and accurate records of observations?
a)
To impress the scientific community
b)
To share information with others and look for matching or different information on similar topics
c)
To make their experiments more fun and entertaining for the scientific community
33.
What is the importance of scientists recording how they perform experiments in procedures?
a)
To confuse other scientists
b)
To keep their experiments a secret
c)
To allow others to repeat the test and get similar results
34.
How do scientists use evidence to make inferences?
a)
By making wild guesses
b)
By drawing conclusions based on data and observations
c)
By ignoring data and observations
35.
What is the difference between an observation and an inference?
a)
Observations are guesses, and inferences are facts.
b)
Observations are based on data, and inferences are based on opinions.
c)
Observations are noticing something using your senses, and inferences are conclusions drawn from data and observations.
36.
Why is it essential for scientists to base their explanations on evidence?
a)
To make their explanations more interesting
b)
To make their explanations more confusing
c)
To ensure that their explanations are supported by facts and observations
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