_________ are objects or ideas that represent other things
Scientists use these to learn more about the world around them or test designs and materials. They are helpful tools often used to study things that are very large, have many parts or are difficult to observe directly. They are still not the actual object being tested so different results may occur.
Question 13
13.
Define observation
Question 14
14.
Surverys are sometimes the best way for a scientist to do a scientific investigation. Name 1 types of surveys
Question 15
15.
Name one type of an appropriate reference material used by scientists.
Question 16
16.
Question 17
17.
Name 4 of the 8 steps used in a Scientific Investigation.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Name 3 of the 6 things Scientists can measure with proper tools.
Question 22
22.
Question 23
23.
Question 24
24.
Question 25
25.
Question 26
26.
Tell me the similarites and differences of Precision and Accuracy.
How many variables should be tested at one time in a scientific investigation?
None
One
Two
A scientist using scientific methods would NOT
ask a question.
form an opinion.
perform repeated trials.
What is another word for hypothesis?
evidence
investigation
prediction
What should you be sure to do to stay safe when performing science activities?
ask my teacher questions
smell every chemical I use
wear loose clothing
Information from which a conclusion can be drawn or a prediction can be made are called
tools
procedures
data
For a scientific conclusion to be valid, what must it be based on?
opinions
facts
questions
A valid scientific investigation must be able to be
replicated
predicted
observed
A scientific conclusion is based on
variables and experiments
observations and questions
facts and observations
With the use of all the science skills scientists often do not find solutions to common every day problems.
True
False
Scientific investigation starts with a testable question
True
False
Experiment is defined as the use of scientific methods to test your hypothesis.
True
False
Sampling is not a technique used to collect data in a scientific investigation.
Scientists look at random people from a population to get a sample.
True
False
The dependent variable is the variable you can control
True
False
Control group is a standard against which change is measured.
True
False
Tools can help you gather information and analyze your data. As scientists share their findings, tools can also help you find information collected by others.
True
False
Data can be organized in many different ways
Tables and Charts
Graphs and Graphics
All of the Above
Sometimes, different conclusions can be drawn from the same set of data.