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100
is procedure carried out to carfully oserve,study,or test something in order to learn more about it.
An investigation
100
is an investigation in which all of the conditions are controlled.
experiment
100
Technology is any device that people use to meet their needs and solve practical problems.
Technology
100
tiny living things in pond water.
microscopic
100
are scientists who identify types of living things
taxonomist
200
is the study of the natural world and involves making obsevations and peforming investigations.
Science
200
is any condition in an experiment that can be changed.
variable
200
a working model.
Prototype
200
use their five senses to collect information.
observe
200
a statement that can be tested and will explain what can happen in an investigation
a hypothesis
300
is ifomation collected during a scientific investigation.
evidence
300
is the setup to which you will compare all the others.
control
300
are standards that help engineers measure how well their design is doing its job.
Criteria
300
finding ways objects and events are similar and different.
compare
300
are the steps you follow in an experiment.
a procedure
400
is a belief or judgment.
opinion
400
When a measurement is close to the true size.
Accurate
400
is a tool used to measure force.
spring scale
400
share, the results of investigations.
communicate
400
share the results of investigations.
communicate
500
are ways that scientists perform investigations
Scientific methods
500
They invent or improve products that help us meet our needs.
Engineering
500
is a tool used to measure mass.
balance
500
people that observe how the universe works.
astronomer
500
how opened the first electrical station
Thomas Edison