If-Then
In what order is an if-then statement written?
1. If
2. Then
3. Because
What do we use to make observations?
Our senses.
What does a hypothesis introduce?
A question or a problem.
What are the two types of variables that we consider?
Independent and Dependent
How old is Mr. Healey??
24 years old
What does the IF portion represent in the IF-Then statement?
IF represents our Independent Variable.
Which sense do we not use while making an observation in science and why?
Our taste because it could lead to serious health issues.
What does a hypothesis propose to us?
An expected result.
What variable depends on another variable to change in an experiment?
Dependent Variable
What is Mr. Healey's favourite sport?
Soccer
What does the THEN portion represent in the IF-Then statement?
THEN represents the dependent variable.
What is an inference?
Making a logical explanation based on what we observe.
We need to make sure our hypothesis is what?
To be testable.
What variable can we change before an experiment, but once in the experiment, cannot change?
Independent Variable
This fruit has seeds on the outside instead of the inside?
Strawberry
What does the because portion of the IF-THEN statement represent?
Because represents our past experience or what we infer.
Behind you; I can see the leaves moving because the air is blowing them back and forth, is an example of an inference or an observation?
Inference
What is the Testable Criteria of a hypothesis?
1. If we have the opportunity to prove if it's true or false.
2. That our results are reproducible.
What variable is the variable being tested for? The results, answers, conclusions?
Dependent Variable
What is the fastest land animal in the world?
The Cheetah
What do we use IF-THEN statements to write?
Our Hypothesis.
Behind you; I can see the moon on a poster, is an example of a what?
Observation
What is the third step in writing a hypothesis?
3. Defining the variables.
Ex: Can the type of material we use affect the speed at which an ice cube melts.
What is the Independent variable?
The independent variable is the the type of material we use.
This planet is known as the red planet