Scientific Method
Experiment
Graphs
Measurement
Observation/Inference/
Prediction
Prediction
100
True or False: When your hypothesis is wrong, you need to repeat the experiment until it is right.
False!
Sometimes, your hypothesis will be wrong and that's okay. A hypothesis is simply an educated guess and even if it is wrong, the data could be valuable.
100
What is a constant? Give an example from the Oreo lab.
Variables that do not change in the experiment.
Ex from Oreo lab: black cookie, triple beam balance, Petri dish, plastic knife
100
Why would we use a bar graph?
compare things between different groups OR track changes over time
100
Define volume.
How much space and object takes up
100
What is an observation?
An observation is what we perceive using our senses - sounds, touch, sight, smell, and taste (though we rarely taste in science).
200
A hypothesis is a(n) ________ about the answer to your question. It allows for a prediction.
A. Educated Guess
B. Fact
C. Lie
D. Observation
A. Educated Guess
200
Define independent and dependent variables.
Independent: thing that changes
Dependent: thing we're measuring
200
What do pie graphs show?
Parts of a whole
200
We are measuring the volume of Ms. Mallory's key. When we take the first reading, the meniscus is at 36 mL. When we take the second reading, the meniscus is at 48 mL. In the correct units, what is the volume of her key?
12 mL3
200
What is an inference?
An inference is using facts, observations, and logic or reasoning to come to an assumption or conclusion.
300
What is the purpose of an experiment? Use the Oreo lab as an example too.
To test your hypothesis. In our Oreo lab, the purpose was specifically to see if double stuffed Oreos were really double stuffed.
300
What is a control variable?
The variable that has the normal amount of the independent variable.
300
What does a line graph show?/Why would we choose to use one?
Used to track changes over short and long periods of time; can also compare multiple groups over the same period of time
300
When measuring volume for irregular objects, we use ____ ________ using a _______ cylinder.
water displacement; graduated
300
What is a prediction?
an educated guess about what is going to happen NEXT
400
For the Oreo Lab,
Independent variable:______
Dependent variable:______
Independent: type of stuffing (OG/Double)
Dependent: weight of stuffing
400
Form a hypothesis with the given question:
Does my dog run faster if he eats steak for breakfast?
Ex: If my dog eats steak instead of his dog food for breakfast, then he will run faster across my yard.
400
Make a bar chart for the following data.:
Favorite drink in Ms. Mallory's Class:
Grape Juice: 7
Root Beer: 3
Caprisun: 9
Draw it on the board.
400
____ (_____) is used when you measure how much matter is in an object.
It can be measured in ____, pounds, and tons.
Mass (weight); grams
400
Give 1 observation and 1 inference.
Observation: There are two paths, one pink and one blue.
Inference: They engaged in a scuffle.
500
In order, list all 8 steps of the scientific method.
1. Question
2. Research
3. Hypothesis
4. Experiment
5. Collect Data
6. Analyze Data
7. Conclusion
8. Report
500
What are the four parts of a hypothesis?
"If", independent variable, "then", dependent variable
500
Make a graph for the data below.:
Number of frogs in Aliyah's Home:
2000: 0
2010: 2
2020: 4
2030: 10
Draw on the board.
500
Temperature is used to measure the amount of ____ of motion in the molecules of a substance.
To measure the temperature of moving molecules you use a _____.
energy; thermometer
500
Look at the picture below. Give two examples of observations and two examples of inferences.
Observation:
1. There is a goat.
2. There are three trees
Inference:
1. The boy fell out of the tree.
2. The tree branch is falling on the boy.