Observation vs. Inference
Quantitative and Qualitative Observations
Lab Safety
Vocabulary
Random
100
You come into the classroom and you observe someone's books are at your desk. Based on this, you think that someone is sitting at your desk. What scientific skill did you just use?
What is an inference?
100
This is an observation you can count.
What is a quantitative observation?
100

Who is allowed to use the fire extinguisher in the classroom?

Teacher or students

100

 The amount of matter that makes up an object

Mass

100

Information collected from your observations, using your senses and 

    tools of measurement. to be analyzed

Data

200
You use your 5 senses for this scientific skill.
What is observing?
200
This is an observation you cannot count, but that describes the quality of an object/thing.
What is a qualitative observation?
200

If you notice a broken glass, what should you do with it?

Tell the teacher

200

An observation that describes using your 5 senses. It also uses NO numbers.

   (The apple tastes sweet)

Qualitative

200

This tool is used to measure mass or weight

Balance

300
Suppose your friends went to the beach at noon on a warm day, and they saw some black and white birds. Determine if the following statements are observations or inferences: 1. It is summertime.
What is an inference?
300
Determine if the statement is a qualitative or quantitative observation: The cup had a mass of 454 grams.
What is a quantitative observation?
300

Do you pour water into acid or acid into water?

Acid into water

300

A way of learning about or studying the natural world through observation and 

    experiments.

Science

300

A curve that forms on the upper surface of a liquid in a column (graduated cylinder).

Meniscus

400
Suppose your friends went to the beach at noon on a warm day, and they saw some black and white birds. Determine if the following statements are observations or inferences: 1. It is daytime. 2. They saw birds.
What is an observation and observation
400
Determine if the statements are qualitative or quantitative observations: 1. It is warm outside. 2. The temperature outside is 250 degrees Celsius. 3. the tree is 30 feet tall.
What is a qualitative, quantitative, and quantitative observation?
400

How do you rinse your eyes if you get something in them?

Inner corner to outer corner

400

The distance between 2 points.

Length

400

What is the proper way to smell something in the science lab?

Wafting

500
Suppose your friends went to the beach at noon on a warm day, and they saw some black and white birds. Determine if the following statements are observations or inferences: 1. They saw seagulls. 2. They went swimming. 3. One friend's name was Bob.
What is an observation, inference, and inference?
500
Determine if the statement is a qualitative or quantitative observation: 1. The building has 25 stories. 2. The building is taller than the tree. 3. The sidewalk is long. 4. The sidewalk is 100 meters long. 5. The race was over quickly.
What is a quantitative, qualitative, qualitative, quantitative, and qualitative observation?
500

What two types of glass are used in the science lab?

Pyrex and Kimax

500

A logical interpretation or conclusion based on observations 

    example: The driveway is wet so it must have rained.

Inference

500

What is the main cause of most accidents in the science lab?

Carelessness
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