NEW
Font size
WorksheetsScientific Method Introduction-BIO 131
Total questions: 26
Worksheet time: 4hrs 20mins
Suppose your friends went to the beach at noon on a warm day. They saw some black and white birds. As you are talking to you friend you think "This happen during summertime". Is this an observation or an inference?
observation
inference
Suppose your friends went to the beach at noon on a warm day. They saw some black and white birds. As you are talking to you friend you think "They saw seagulls". Is this an observation or an inference?
observation
inference
Which of the following is an observation about this picture?
The boy is next to a bike.
The boy is in a lot of pain.
The boy has injuries to his knees
The boy learned his lesson about wheelies
Scenario: You are shopping at tops. You hear glass breaking, a person cursing, and the sharp smell of pickle juice coming from the next aisle. Based on the scenario, what do you infer (inference)?
A statement predicting the result of a controlled scientific experiment.
independent variable
constant
hypothesis
control group
The measurable effect of the experiment; the data collected. WHAT YOU ARE MEASURING.
data table
constant
dependent variable
graph
Data table
a series of steps in an experiment
subtract lowest number from highest number
add all the numbers and divide by the number of numbers
a collection of information
They like each other.
Which graph represents graph represents the following scenario: Henry is cooking a turkey. His recipe says to cook the turkey for 15 minutes per pound.
You are designing an experiment to test how different amounts of sleep affect memory retention. What would be a suitable dependent variable?
Amount of sleep
Memory retention
Type of memory test
Age of participants
In an experiment to test the effect of temperature on the solubility of a substance, what would be the dependent variable?
Temperature
Solubility of the substance
Type of substance
Volume of solvent
In a controlled experiment . . .
all variables are constant except the one you are testing
more than one variable can be tested at a time
data is not collected
the hypothesis is always supported
Which is NOT true about a hypothesis?
it is a testable explanation
it will always be supported by the experiment
it is sometimes called an educated guess
it is written in an IF-THEN format
A custodian notices some dirty tables and wants to know which cleaner is the best to use. He tests three different cleaners and looks at how well they clean compared to tap water. What is the control group?
type of cleaner
tap water
cleanliness of tables
time spent cleaning
Mr. Batchelder wants to know if the the number of games he watches the Cardinals play each season has an effect on the number of games they win. Mr. Batchelder decides to run this experiment over three football seasons. The first season he watches none of the games the Cardinals play. The second season he watches 50% of the games they play. The third season he watches 100% of the games they play. He watches all the games from the same spot on his couch and wears his lucky tie. What is the experimental group?
The number of games Mr. Batchelder watches
His lucky tie
The number of games the Cardinals win
The season where Mr. Batchelder watches 0 games.
The seasons where Mr. Batchelder watches 50% and 100% of the games.
