Vocabulary
A statement of what you think will happen during an investigation
What are 4 things a Scientists does?
investigate by researching, experimenting, making observations, and draw conclusions
What is one type of model scientists use to test designs
computer-generated or physical model
Scientists use _________ and graphs to organize data they have collected.
tables
__________ are step-by-step instructions for completing a task
procedures
Something you find out about objects, events, or living things by using your senses.
Observation
What are some appropriate resources that Scientists use for researching information?
peer-reviewed reference materials such as books and scientific journals.
yes. Scientists may have to do further research and testing.
We used a _________ to collect data for our bread and banana experiments.
tables
_____ are information from which a conclusion can be drawn or a prediction can be made
Data
An__________ is the use of scientific methods to test your hypothesis.
experiment
How do scientists collect information for their observations?
They use their senses. They also use tools to extend their own senses such as thermometers.
What are two methods scientists use to collect information?
Surveys and sampling
Scientists interpret data by looking at the information they have collected and trying to find ________ in the data.
patterns
______ is the ability to consistently repeat a measurement.
precision
A _________ is something that can change in a test.
variable
Why do scientists use a variety of sources when they research for an investigation?
They collect information to have as much reliable information as possible so they can analyze and evaluate it to draw conclusions.
true or false: meaningful results come from experiments that can be replicated
true
Mean, Median, and Mode are types of ________
averages
_____ is the ability to make measurement that is as close to the actual value as possible
accuracy
A _______ _______ is a standard against which change is measured.
control group
How does scientific testing help scientists draw conclusions?
Scientists are able to test their hypothesis and see if they can draw a conclusion about their observations.
True or False: data collected from a controlled experiment does not have to be that consistent
false
Scientists use _________ to support their observations.
evidence
an _________ is a conclusion based on observations
inference