Scientific Method

An educated guess

hypothesis

When we NOTICE something, we make an

observation

What do we use to make an observation?

our 5 senses

What are our 5 senses?

sight hearing touch smell taste

In an experiment, the factor being tested.

variable

Type of variable that CAUSES a change in an experiment

independent variable

An experimental set-up with the variable left out. There is NO change

control

Place in order the steps of the Scientific Method

B C A D E F

The scientific method actually has 7 steps. What is the 7th step?

retest/redo

Our surroundings

environment

Information collected from an experiment

data

Type of variable that DEPENDS on another variable to change it

dependent variable

What is the purpose of a control in an experimental set-up?

to compare

What is the independent variable?

Kookie Kola

What is the dependent variable?

slimetosis

At the beginning, If Kookie Kola was used with Dr. Kelp and seaweed, what problems would occur?

We wouldn't know which cure actually works.

What is the control group?

Yarn net

What is the independent variable

Nylon Net

What is the dependent variable?

Amount of fish

Which is the best hypothesis?

If Donald uses a nylon net then he will catch more fish

Which is the independent variable?

students with calculators

Which is the dependent variable?

speed working math problems

Which is the control?

Students without calculators

What is the independent variable?

mass of the plane

What is the dependent variable?

distance the plane flies

What is the control?

plane without paper clips