Testable Questions
Hypotheses
Variables
Conclusions
Vocabulary
100
Finish the testable question outline:
Does _______ affect ________?
Does (independent) affect (dependent)?
100
What is a hypothesis?
A hypothesis is an educated guess.
100
What is an Independent Variable?
An Independent Variable is what I, the scientist, change.
100
What is a conclusion?
Final statement - Reflects on hypothesis and summarizes data.
100
What is a hypothesis?
An educated guess or prediction about what is going to happen in an experiment
200
Gretchen was wondering if different types of bubble gum will blow different sized bubbles. What would be a good Testable question for this experiment?
Does using different types of bubble gum affect how big of a bubble I can make?
200
A hypothesis must include 3 important words. What are they?
If...then...because...
200
What is a Dependent Variable?
A Dependent Variable is what we measure.
200
How many votes does strawberry have?
6
200
What is the scientific method?
A set of steps that scientists follow in order to complete an experiment
300
Gage wants to know if the brand of battery affects how long the batteries last. Give a testable question Gage could use in this investigation.
Does using different types of batteries affect how long they last?
300
Give a hypothesis for this question: Does using fertilizer affect how tall the plant grows?
If I fertilize the plant, then it will grow taller because fertilizer helps plants grow.
OR
If I fertilize the plant, then it will have no affect on the plant's growth because plants don't need fertilizer to grow.
OR
If i do not fertilize the plant, then it will not grow as tall because fertilizer helps plants grow.
300
"Does the amount of cheese I eat affect how thirsty I am?"
What is the INDEPENDENT variable?
The amount of cheese I eat
300
Hypothesis: If I poll 100 people about their favorite movies, then most of them will say comedy because everybody loves a funny movie.
Please write a conclusion that addresses the hypothesis AND the data.
The hypothesis was not correct. The data shows that romance was the most popular movie.
300
How do we know a question is Testable?
A question that can be answered by completing a test
400
Grace wonders if using fertilizer will make plants grow taller. Give a testable question Grace could use in this investigation.
Does using fertilizer affect how tall plants grow?
400
Give a hypothesis for this question: Does where I store my bananas affect how long they stay fresh?
If I keep the bananas in a paper bag, then they will stay fresh longer because bananas rot quicker in the open.
400
"Does the height of a tree affect how many squirrels live in it?"
What is the dependent variable?
How many squirrels live in the trees
400
Hypothesis: If I ask 21 people about their favorite sports, most of them will say soccer is the best because soccer I always see people wearing soccer jerseys.
Please write a conclusion that addresses the hypothesis and the data.
The hypothesis is correct. The data shows soccer has the highest number of votes.
400
What type of variable is the one that you, as a scientist, can change or test in an experiment?
The independent variable
500
Sam wonders if the temperature of the water makes sugar dissolve faster. Give a testable question Sam could use in her investigation.
Does the temperature of the water affect how fast sugar dissolves?
500
Give a hypothesis for this question: Does exercise affect a person's heart rate?
If a person exercises, then their heart rate will increase because movement makes the heart beat faster.
500
Give the Independent Variable and the Dependent Variable for this testable question: Does the brand of paper towel affect how much water it can absorb?
Independent Variable: Brand of paper towel Dependent Variable: Amount of water absorbed
500
Hypothesis: If I ask 21 students their favorite foods, most will say pasta because pasta can be cooked in so many different ways.
Please write a conclusion that reflects back on the hypothesis and the data.
The hypothesis is incorrect. Grilled cheese has the highest number of votes and pasta has the least.
500
What is the difference between an independent variable, a dependent variable, and a control variable?
Independent: I control
Dependent: Measurable
Control: Does not change throughout the experiment