An idea created to be tested by an experiment or investigation
What is hypothesis
100
Used to compare parts to a whole. Shows fractions or percents
pie chart/circle graph
100
What is a controlled experiment?
an experiment in which the procedure is repeated, changing one condition each time
200
measures temperature
What is a themometor
200
Which of the following is an example of a conclusion?
A. The object is flat
B.The flower smells like mint
C. Crickets chirp to attract mates
D. The food is both sweet and sticky
C
200
procedure used to test an hypothsis?
What is an experiement
200
Shows data that does not include numbers
Diagram
200
Why is a control important?
A. helps scientists share results
B. Helps scientists form their first hypothesis
C. Helps scientists record their repeated observations
D. Helps scientists compare their results to a standard
D
300
Measures Weight
What is a scale
300
Why do scientists repeat their experiments?
A. to create a reliable average
B. Because they like doing experiments
C. They don't--they only do experiments once
D. Because the first time you do it the data is wrong
A
300
What do scientists use when they cannot experiment with the real things?
a model
300
shows change over time
line graph
300
Sometimes the results of an investigation are not what was expected. What should a scientist do?
A. Change the results
B. defend the results as correct
C. Plan another investigation to test the results of the first one
D. Ignore the first set of results and plan a different investigation
C
400
Celcius
What is the way scientists measure temperature
400
Scientists want to determine if walls that are painted a certain color will raise a person's blood pressure. They set up four rooms. Which variable should change in each room?
A. the color used
B. the type of room used
C. the instruments used to test the blood pressure
D. The amount of time the person spends in the room
A
400
An earthquake shake table with model buildings on it is an example of _________?
a model
400
use to compare things or groups of things.
bar graph
400
Which objects would be classified together?
Pen
Pencil
Ruler
Chalk
Pen, pencil, and chalk (writing tools)
500
Which measurement system do scientists use to measure data?
the metric system
500
Johns friends wanted to see a different movie then he did. To get his attention, John told them about an exciting preview he saw of the movie. In scientific terms, which of the following describes what John was doing?
A. predicting
B. giving his opinion
C. stating a conclusion
D. surveying his friends
D.
500
What do scientists use to study things that are too big, too far away, or too uncontrollable for an experiment?
What is an observation
500
Which data display should you use to show:
How much it rained last year