What is one thing that you found challenging
- Slides: 20
What is one thing that you found challenging on yesterday’s quiz?
Protons: Electrons: Neutrons:
Right Now • Take our your notebook • Get ready to answer a Do Now
Do Now Describe Sugar Describe Paper
Physical and Chemical Properties and Changes Add the new notes to your table of contents, and then turn to the next clean page and set up your title and date
Properties Physical Property Chemical Property • a characteristic of matter that you can observe or measure without changing the identity of the matter. • Examples: • is a characteristic of matter that can be observed as it changes to a different type of matter. • Examples: – – State of matter Color Mass Density – – – Ability to burn (flammability) Ability to rust Ability to tarnish Ability to rot Ability to spoil
Changes Physical Change Chemical Change • a change in size, shape, form, or state of matter in which the matter’s identity stays the same. • Examples: • a change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties. • The substances that undergo a chemical change no longer have the same properties because they no longer have the same identity. • Examples: – Folding a sheet of paper – Cutting a sandwich – Changes in state (freezing water) – Rust forming on an old car – Burning a wooden log – Molding bread
before moving forward add pages numbers for chemical property, chemical change, physical property, physical change to your Unit 1 Divider
Tape your homework for tonight and tomorrow night into your INB as shown here on the first page of these notes
Exit Pass Write an example of a physical change.
Right Now • Copy down your homework • Take out your homework from last night • Performance Task in Inbox • Get ready to answer a Do Now
Do Now • What type of change is shown here? • How do you know?
What makes a chemical change different from a physical change? • A physical change can be observed without changing the matter's identity, a chemical change can only be observed as the matter becomes something different • The only way to be certain a chemical change has occurred is if a new substance is formed
Tape your Physical & Chemical – Properties and Changes Decision Chart into your INB as shown here on a different page from our vocabulary tape ins
Exit Pass Write an example of a chemical change.
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