Scientific Method & Hypothesis
Lab Safety
Variables
Graphing
Metric System & Density
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
1000mg= _______ g
1000mg= 1g
100
What is full of holes but still holds water?
Sponge
200
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
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
2L= _______ KL
.002 KL
200
What month of the year has 28 days?
All of them
300
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
300
DOUBLE JEOPARDY: Where is the eye wash station in the room?
By the door
300
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
300
A graph to show if two variables have a correlation or relationship
scatter plot
300
6500mm=_______Dm (decameter)
0.65 Dm
300
What invention lets you look right through a wall?
A window
400
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
400
What is this called?
Graduated Cylinder
400
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
400
What axis does the dependent variable go?
y axis
400
DOUBLE JEOPARDY
A box has a length of 10, width of 5, and height of 4. What is the volume with units?
200 cm3
400
I am an odd number. Take away a letter and I become even. What number am I?
Seven
500
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.
500
What is the name of the tool used to measure mass?
Balance or scale
500
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
500
Which variable goes on the x-axis?
independent variable
500
345 KL = ______cL
34,500,000 cL
(5 to right)
500
What begins with an “e” and only contains one letter?
An envelope
600
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.
600
Draw an Erlenmeyer flask
600
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
600
What is the acronym for knowing where the variables go on a graph?
D.R.Y. M.I.X.
600
What is the density of the stone if the mass is 900g?
900g/30cm3= 30 g/cm3
600
What is so fragile that saying its name breaks it?
silence