Properties of Matter

Lab: Properties of Legos Get your prelab write up checked before performing the lab. After performing the lab, write your group’s average on the board.

What does the data say? What does the data mean? Post Lab Discussion What does the data say? What does the data mean?

Post Lab Discussion What does the data say? What does the data mean? Some properties will never change regardless of how much matter there is, and these properties are called intensive properties.

Post Lab Discussion What does the data say? What does the data mean? Some properties depend on the amount of matter there is, and these properties are called extensive properties.

The Other Properties… A physical property is a property that can be observed or measured without changing the identity of a substance. A chemical property is a substance’s ability to undergo changes that transforms it into a different substance.

Using the lab, what physical and/or chemical properties can you tell me about the Legos and the water?

The Changes Physical Changes Chemical Changes

Let’s Practice Butter melts on warm toast. Gasoline is set on fire. Milk goes sour. Rust forms on a bike left outside. Rubbing alcohol evaporates in your hand. Your body digesting food. You fry an egg. Molding a sculpture from clay.

element volume pure substance mass compound Matter homogenous mixture can be classified as depends on which are has do not depend on like and undergo element volume pure substance mass compound homogenous mixture heterogeneous