Observations + Inferences
Variables
Scientific Method
Vocab Vocab Vocab
Even more vocab!
100

The boy has a scar on his head. He must be Harry Potter

Observation: the boy has a scar on his head

Inference: He must be Harry Potter

100

A person’s paycheck depends on the amount of time worked

IV: the amount of time worked

DV: paycheck

100

Will an energy drink impact the speed a plant grows?

Question


100

The “doing” part where you test your independent variable. You collect data during this step.

Experiment


100

Something that cannot be argued against. Can be observed using the five senses

Observation

200

DOUBLE JEOPARDY!
(Double Points)

I smell delicious smells coming from the kitchen. It must be dinner time.

Observation: I smell delicious smells coming from the kitchen.

Inference:  It must be dinner time. 

200

 The temperature of an oven affects the speed a pizza will bake.

IV: temperature 

DV: speed a pizza will bake

200

If I increase the concentration of Special Energy drink, then the plant will grow faster because the drink has a special growth enhancing chemical.

Hypothesis


200

DOUBLE JEOPARDY!
(Double Points)

Information, measurements, and materials gathered from observations that are used to help answer questions

Data


200

The variable that is changed by a scientist in an experiment.  

Independent Variable

300

Ms. Coleman realized her coffee was hot when she saw the steam rising from her cup

Observation: seeing the steam

Inference: coffee must be hot

300

DOUBLE JEOPARDY!
(Double Points) 

The number of coaches hired depends on the number of students signed up for Cross Country.

IV: number of students signed up for cross country

DV: number of coaches hired

300
  1. Gather materials. 

  1. Place soil in each pot. 

  1. Add one seed to each pot. 

  1. Place pots in the window. 

  1. Water each plant with the same amount of water.

  1. ETC…  

  2. Measure and check results.

Experiment


300

An educated guess based on research. If __________, then _________   because _______. 

Hypothesis

300

The variable that is unchanged and constant

Control Variable


400

The scientist looked around at the beautiful colors on the trees. She turned to the other scientist and told him, "fall is here".

Observation: the leaves changing color

Inference: fall is here

400

The time that Mr. Willis gets to go home depends on the number of quizzes he has to grade.

IV: number of quizzes

DV: the time Mr. Willis gets to go home

400

               Pot 1    Pot 2    Pot 3 

week 1     3 cm    3 cm    3 cm

week 2     10 cm  8 cm    3 cm

week 3     15 cm  10 cm  8 cm

Analysis

400

The variable that is measured by a scientist in an experiment 

Dependent Variable

400

A logical conclusion based on previous experiences, observations and knowledge

Inference

500

"You're impossibly fast, and strong. Your skin is pale white and ice cold. Your eyes change color, and sometimes you speak like--like you're from a different time. You never eat or drink anything. You don't go out in the sunlight. I know what you are.
Vampire."

Observation: "You're impossibly fast, and strong. Your skin is pale white and ice cold. Your eyes change color, and sometimes you speak like--like you're from a different time. You never eat or drink anything. You don't go out in the sunlight."

Inference: he is a vampire

500

The kind of food a bird eats affects the color of its feathers

IV: kind of food

DV: feather color

500

The hypothesis was supported or not/supported by the data.  The results are due to _______.     

One problem with the experiment was_______     

This may have affected the results because ___________.

Conclusion


500

Looking at your data and creating charts and graphs. Use this part to come to a conclusion.

Analysis

500

Making a decision about what you learned. You decided whether or not you made the correct hypothesis  

Conclusion

M
e
n
u