Lab Design
Identify I + D
Lab Design Definitions
Scenarios
Random
100
The correct format for hypothesis is
As the independent variable increases/decreases, the dependent variable will increase/decrease
100
How does rainfall affect plant growth?
I: rainfall
D: Plant growth
100
In a lab design, what type of variable stays the same throughout the experiment?
Control
100
I want to see the effect of light intensity on plant growth. What is the independent variable?
Light intensity
100
What is this logo?
Lay's
200
A materials list must have all of the materials, plus their sizes and ______________
quantities
200
How does sunlight affect the behavior of animals?
I: sunlight
D: Animal behavior
200
What type of variable is manipulated in an experiment?
Independent
200
I want to see how the fluffiness of a bunny is affected by the amount of carrots it eats. What is the dependent variable?
Fluffiness
200
How many days are in June?
30
300
What is the numbered list of steps to take in a lab design called?
procedure
300
How does temperature affect the migration patterns of birds?
I: temperature
D: migration patterns
300
What type of variable is measured?
Dependent
300
Write a hypothesis for an experiment that is testing the effect of temperature on plant growth.
If you increase the temperature of a plant's environment, then the plant will grow faster up to a certain point because it will grow best at its optimum temperature and then decrease once the optimum temp passes
300
What is Mr. Brees' first name?
Michael
400
What stays the same throughout the entire experiment?
Constants
400
Students are conducting an experiment to determine the effect of different amounts of fertilizer on plant growth. They set up four groups of plants, each receiving a different amount of fertilizer (0g, 5g, 10g, and 15g). They measure the height of the plants after two weeks.
What is the independent variable and what is the dependent variable?
I: amount of fertilizer
D: height of plants
400
This is a statement that predicts the outcome of the experiment
Hypothesis
400
Identify the independent and dependent variable in the following scenario:
If you sleep 8 hours a night, then you will be in a better mood because lack of sleep affects mood
I: amount of sleep
D: mood
400
Which big cat is the largest?
Tiger
500
What format do we normally put research questions into? (hint: starts with "How does...")
How does _____ affect _____?
500
Students are investigating the effect of different distractions on reaction time. They have participants complete a simple reaction time test (pressing a button when a light flashes) both with and without distractions (listening to loud music or complete silence).
What is the independent variable and what is the dependent variable?
I: w/ or w/o distractions
D: reaction time
500
This section includes scientific information about the different components of the experiment and also includes the purpose of the lab.
Background
500
Identify the independent, dependent, AND control variable in the following scenario:
The amount of pollution produced was measured for cars using gasoline containing different amounts of lead.
I: amount of lead
D: amount of pollution
C: Gasoline with 0 lead
500
How do you spell the word that describes the fear of spiders?
A-R-A-C-H-N-O-P-H-O-B-I-A
600
Write a materials list for these items:
1 bottle of glue
1 pair of scissors
1 pencil
600
Students are exploring how different intensities of exercise affect heart rate. They have participants perform three different exercises (walking, jogging, and sprinting) for 5 minutes each and measure their heart rate immediately after each exercise.
What is the independent variable and what is the dependent variable?
I: intensity of exercise
D: Heart rate
600
This is the part of the experiment that should be in a numbered list.
procedure
600
Identify the independent and dependent variables
If you brush your teeth for 2 minutes twice a day, then you will get less cavities compared to if you brush your teeth for 1 minute twice a day
I: amount of time
D: Amount of cavities
600
How many Earths can fit into the sun? +/- 0.2 million
1.3 million