Observations and Inferences.
Qualitative and Quantitative
Variables
Procedures,Testable Questions, and Claims
Lab Safety/Classroom procedures
100

What are the five senses? 

Touch, taste, smell, sight, hearing. 

100

What is a qualitative observation? 

An observation made using your five senses. It describes a quality of an object. 
100

What is the thing that "I change" in an experiment? 

Independent Variable

100

What is a procedure? 

A step-by-step list of instructions on how to complete a given task. 

100

What is the purpose of wearing safety goggles? 

To protect your eyes. 

200

Make an observation about this photo. 

There is a lion. 

The lion is brown 

The lion has long hair around its face. 

There is a sun in the background. 

200

Give three qualitative observations about this photo.  

There are different colored lights. 

There are trees. 

They're in a forest. 

There is a heart. 

There are owls, wings. 

200

What is the variable that describes what we will be measuring in the experiment? 

The dependent variable. 

200
What happens if a procedure is not specific enough?

You will mess up the experiment. 

You will be confused. 

200

Tell me one thing we should do/not do when using glass in the science classroom. 

Check for cracks. 

Never pick up broken glass. 

Always be careful--keep hands to ourselves, no running around the room, ect. 

Put pieces of glass down gently. 

300

Make an inference about this photo. 


The person is adventurous. 

The person is in danger. 

The person practice yoga. 

The person is good at balancing. 

300

Name two quantitative observations about this photo.  

- There are six eggs. 

- There are three brown eggs. 

- There are three white eggs.

300

Look at this TESTABLE QUESTION: 

Will air temperature affect how far a baseball will go? 

What is the independent variable?

Air temperature. 

300

Independent variable: amount of water given. 

Dependent variable: growth of strawberry plant. 

What is the testable question? 

Will the amount of water given to a strawberry plant affect its growth? 
300

Why should we never point materials at ourselves or another student? 

We don't want to get materials in our/someone else's face or put them in danger. 

400

What is the difference between an observation and an inference? 

An inferences is made using observations. It provides a reason or explanation for observations. 

400

Describe three ways that quantitative data can be collected. 

Length/width, temperature, time, weight, amount/counting

400

Does the time that a white shirt is soaked in a solution affect the vibrancy of tie-dye shirts? 

What is the independent and dependent variable? 

Independent: Time soaked in solution. 

Dependent: Vibrancy of tie dye. 

400

Does amount of sunlight given to a plant affect its growth?

Make a claim about this testable question. 

If the amount of sunlight given to a plant increases, then the plant will grow taller. 

The amount of sunlight has no affect on a plant's growth.

400

What does it mean to "move with purpose" in this room? 

You are moving around the room to get a material or complete the assignment...You are not wondering around the room or visiting tables. 

500
What can you infer about the temperature of a geographical region as you get further away from the equator? 

It gets colder. 

500

What is the purpose of collecting quantitative data? 

It is the DATA that provides proof for the experiment.

It validates on whether or not the independent variable is affecting the dependent variable. 

500

What is the purpose of having good controls?

To produce accurate results in your experiment. 
500

Teach me how to do something.
Make sure to include at least five steps. 

Answers will vary. 

500

What will happen if you don't follow the directions or misuse materials?

I will fail the lab and have to make a call home with Ms. Vento 

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