LT 1 Physical & Chemical Changes

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Presentation transcript:

LT 1 Physical & Chemical Changes Learning Target We will compare and contrast physical and chemical changes. I will show that I know it with at least an 80% accuracy in a graphic organizer exit slip. Reflection/Exit Integrated Science 1B (Part 2) Standard 2 Chemical Reactions

LAB TIME Investigating Physical and Chemical Changes Activity 1 Pages 211-218

Physical and Chemical Changes Agenda: Notes Foldable Exit Slip

Matter Matter is everywhere. Matter is anything that takes up space and has mass. Matter is constantly experiencing both chemical and physical changes.

Physical Property Any property of matter that does not change its chemical composition.

Examples of Physical Properties

Chemical Property The ability or inability of substances to undergoes a chemical reaction and produce new substances. (the reactivity or non-reactivity of a substance)

Physical Change Physical changes occur when matter changes its property but not its chemical nature. Physical property changes could include a change in: state of matter, texture, shape, size, solubility, color, odor, volume, mass, weight, electrical conductivity, and density.

Physical Change

Chemical Change Chemical changes are changes matter undergoes when it becomes new or different matter.

Example of Chemical Change A chemical change occurs when fireworks are used. Fireworks are made of metals such as magnesium and copper. These change chemically as they light up the sky.

Is it a chemical or physical change? Sugar dissolving in tea Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Logs burning Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Breaking water up by separating it into hydrogen and oxygen Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Cutting paper Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Crushing an aspirin Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Metal rusting Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? Lighter fluid burining Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? An egg rotting Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Is it a chemical or physical change? An egg breaking Chemical Change Physical Change

OOPS! Did it change size, color, shape (Physical Change)? or Did it become different matter (Chemical Change)?

Correct!

Foldable Physical & Chemical Properties and Changes Directions: Cut out and paste your foldable into your journal. Add information to the flaps and under the flaps from your notes. Put the definitions on the flaps. Put examples under the flaps.

Reflection Write a paragraph (5-7 sentences) about the difference between a chemical and physical change. Give examples of each.