Just What Is Oobleck

Oobleck Lab - Day 2

Name:______Date:______

Just What is Oobleck??!!

Procedure (Day 2)

1. Once you have determined which mystery powder is the Oobleck powder, make some Oobleck and experiment with it. Record your observations on the “Data Collection and Analysis” worksheet, as well as answering the questions below.

a. Slowly stir the Oobleck with the popsicle stick. Record your

observations.

______

b. Try to quickly jab your finger into the Oobleck. What

happens? ______

c. Now, slowly push your finger into the Oobleck. What happens?

______

d. Try pouring the Oobleck from one cup to another. What happens?

______

e. Place a small amount of the Oobleck into your hand and close your

hand around it and squeeze, then open your hand. What happened? ______

f. Roll the Oobleck into a ball and try to bounce it on your desk. What happens?

______

Data Collection and Analysis

Oobleck Investigation Sheet

PROPERTY State of Matter

example: green______S L G

______S L G

Conclusion

Oobleck appears to be a ______(solid, liquid or gas). What led you to this conclusion? ______

Oobleck is made by combining: Which is a: (solid, liquid, or gas)

a. Cornstarch ______

b. Food coloring ______

c. Water ______

Element - any substance that can not be broken up into simpler substances by chemical means

Compound - a substance formed when atoms of two or more elements join together

Mixture - a material consisting of two or more substances that are not chemically bound to each other and can be separated

I ended up with a(n) ______.

Name that substance!!

Directions: Define the following as an element, compound or mixture.

Nitrogen
Salad dressing
Salt water
Oxygen
Water
Sugar
Chalk
Air

Writing About Physical Properties

(Remember when you observed the properties of Oobleck.)

Write about your favorite food. Try to describe your favorite food to someone, without telling them what it is! Be sure to use words that appeal to the senses (sight, touch, hearing, smell and taste) so that you will be describing the physical properties of your favorite food. Think about and be sure to explain why this is your favorite food.

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