Scientific Theory/Law
Types of Investigations
Data / Graphs
Miscellaneous
Vocabulary &
True/False
True/False
100
Define everyday use of the word Theory
“Hunch” or “Guess”
100
What are the 3 types of scientific investigations?
-Experimental
-Observational
-Comparative
100
What kind of graph is this?
A bar graph
100
When scientists share knowledge, they help each other with scientific research. Why do scientists share knowledge?
A- New knowledge leads to new discoveries. New knowledge leads to new discoveries.
B-Scientists like to prove what they know.
C-Scientists like to prove each other wrong. .
D-Research is boring unless you tell someone.
A. New knowledge leads to new discoveries. New knowledge leads to new discoveries.
100
What is bias?
personal opinion
200
Define the everyday use of the word Law
Something that can be broken.
200
What are the limitations to a observational investigation?
- Researcher bias
- Cannot be repeated
- Only identify possible relationships between variables
200
At what temperature was there the most breathes per minute?
23 Degrees, Celsius
200
What must be included in a testable question??
Testable questions must include WHAT is being tested and HOW the results are being measured.
200
TRUE or FALSE:
Observational Investigations can be repeated
False
Observational investigations can NEVER be repeated!!
300
Define Scientific Theory
Provides an explanation supported by evidence for something that has been observed in the natural world.
300
An investigation where observations are made to study and relate two or more things
Comparative Investigation
300
From looking at this graph that shows how many students play each sport, what conclusion can you make about the basketball and tennis players?
There are two more people on the basketball team than there are on the tennis team.
300
When an experiment is repeated and the new results are different from the original results what may likely be inferred?
Additional test/trials are needed.
300
What does it mean if an experiment IS replicable?
replicable means
can be repeated or tested multiple times by copying the same procedures as previously performed.
(THE EXPERIMENT CAN BE REPEATED)
400
Define Scientific Law
Describes or predicts what is observed often using a mathematical formula
400
What kind of investigation would be followed to answer this question?
"Does sitting closer to the door enhance test scores in school?"
Experimental Investigation
-this can be tested in a controlled setting
400
Looking at this graph, is there a significant difference between the amount of rainfall in the month of May versus the month of August?
No, there is only a slight difference!!
400
Procedure 1
Plant three brands of corn seeds
Water them each day
Measure the growth
Procedure 2.
Plant 3 different brands of corn seeds in 3 pots with the same soil and sunlight.
Water the seeds each day with 50 milliliters of water.
Measure the growth after 14 days.
Which one is replicable?
Procedure 2!!
400
TRUE OR FALSE :
Some of the limitations towards an observational study are:
-Not real life
-All variables are controlled
-Human error
FALSE
limitations in an observational study are:
-Cannot be repeated or verified
-Only concludes possible associations with variables
-Researcher Bias
500
Describe the difference between a claim made by a person and a scientific theory.
A claim made by a person may be their opinion and a scientific theory has been tested and proven through observations with supporting evidence.
500
What are the benefits to a Comparative Investigation?
-Identify patterns
-Understand the past
-Classification and organization
500
When conducting an experimental investigation how many trials do I need to complete to get accurate data?
ATLEAST 3!!!!!
500
In an experiment for science class, six pepper plants are grown in individual containers and are separated into two groups. One group is sprayed with fertilizer once a week and the other group is not. All of the plants receive the same amount of water and sunlight daily. After three weeks, the plants are observed.
What type of scientific investigation is this?
Experimental
500
TRUE OR FALSE...
This is a experimental investigation
A wildlife scientist studies the behaviors of frogs in South American rainforests. The scientist wants to study the frog behaviors in January and August and see the differences. Which type of investigation is this?
FALSE
This is a comparative investigation. They are looking for similarities and differences between the frogs behavior in January and in August.