Scientific Method & Hypothesis
Lab Safety
Variables
Graphing
Riddle
100
DOUBLE JEOPARDY: Define quantitative data
Data that is numerical
100
What are these called?
Beaker
100
The variable that is being changed
Independent variable
100
A graph that is used to compare parts of whole
pie chart
100
What is full of holes but still holds water?
Sponge
200
The ground is wet, and there are puddles everywhere. You conclude that it must have rained recently.
What is the observation? What is the inference?
Ob: The ground is wet with puddles.
Inf: It rained recently
200
When it comes to food and drink in the lab, you should:
Harm the live specimens
Drink out of the beakers
Pour lab materials onto your food for flavoring
Never consume food/drink during a lab activity
4. Never consume food/drink during a lab activity
200
define the dependent variable
The variable that is being measured or recorded
200
DOUBLE JEOPARDY: What is a line graph used for?
To track a change over time
200
What month of the year has 28 days?
All of them
300
DOUBLE JEOPARDY A scientist wants to know the effect a vaccine has on pregnancy. What part of the the scientific method is this?
Recognize a problem
Form a hypothesis
Conducting an experiment
Draw conclusions
Recognize a problem
300
DOUBLE JEOPARDY: Where is the eye wash station in the room?
By the door
300
The group with the independent variable unchanged or non existent
control group
300
A graph to show if two variables have a correlation or relationship
scatter plot
300
What invention lets you look right through a wall?
A window
400
A scientist had two lizards. He kept one lizard in 50˚C temperature. He kept the other lizard in 55˚C temperature. The scientist measure the length of the lizard weekly.
A. Recognize a problem
B. Form a hypothesis
C. Conducting an experiment
D. Draw conclusions
Conducting an experiment
400
What are the 3 types of fires does a fire extinguisher put out?
Trash Wood
Electrical
Liquids
400
A person counts the number of flowers she sees on different types of plants. She records data every week.
What is the independent variable?
Different Types of Plants
400
What axis does the dependent variable go?
y axis
400
What five-letter word becomes shorter when you add two letters to it?
short
500
A scientist’s data showed that red light causing the most growth in bean plants.
Recognize a problem
Form a hypothesis
Conducting an experiment
Draw conclusions
Draw conclusion
500
What is this called?
Graduated Cylinder
500
One tank of goldfish is fed the normal amount, which is once a day; a second tank is fed twice a day; and a third tank is fed four times a day during a six-week study. The fishes’ body fat is recorded daily.
What is a constant in this experiment?
Goldfish, six-week study, type of food, etc
500
Which variable goes on the x-axis?
independent variable
500
I am an odd number. Take away a letter and I become even. What number am I?
Seven
600
You notice that people compliment your outfit when wearing a certain color. You want to know if a certain color gets more compliments.
Write a “If...then” hypothesis
If I wear a the color blue(any color) then I will get more compliments.
600
What is the name of the tool used to measure mass?
Balance or scale
600
DOUBLE JEOPARDY: You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid of this slime by adding lemonade juice. You spray half of the shower with lemonade juice and spray the other half of the shower with water. After 3 days of “treatment”, there is no change in the appearance of the green slime on either side of the shower.
What is the control of this experiment?
The half of the shower with just water
600
the set of numbers used to represent the intervals on each axis
what is a scale
600
What begins with an “e” and only contains one letter?
An envelope
700
One of the twin cows was given a growth hormone for a week, while the other was not. Otherwise, the cows were given the same food, water, and living conditions. The cows’ milk production was monitored for the 7 days that the growth hormone was given.
What is a possible hypothesis?
If a cow has the growth hormone then the cow’s milk production would increase.
700
Draw an Erlenmeyer flask
700
Inside a greenhouse, the same type of tree is kept at 3 different humidity levels. These are left for 3 years. One tree is left outside in normal conditions. The heights of the trees are measured once a week.
What is/are the experimental group(s)?
The trees at 3 different humidity levels
700
What is the acronym for knowing where the variables go on a graph?
D.R.Y. M.I.X.
700
What is so fragile that saying its name breaks it?
silence