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Welcome Back Minions!. Warm-up is on the board!. Name me something…. … at your home that is considered “matter”. … at school that is considered “matter”. … something you like to do for fun that involves “matter”. So… what is “matter”? ANYTHING that has mass and takes up space. Properties….
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Welcome Back Minions! Warm-up is on the board!
Name me something… • … at your home that is considered “matter”. • … at school that is considered “matter”. • … something you like to do for fun that involves “matter”. • So… what is “matter”? • ANYTHING that has mass and takes up space.
Properties… • Matter can be… • Hard • Soft • Rough • Smooth • Hot • Cold • Liquid • Solid • Gas • Much-much more!!!
Please note… • Chemistry: • The study of the properties of matter and how matter changes. • Substance: • A single kind of matter that is pure and has a specific set of properties.
Substance or not? • Which is a substance and which is not? • Be sure and include evidence to your answer! • Salt • Water • Oxygen • Air • Pancakes • Syrup
Two kinds of properties… • Physical & Chemical Properties • Physical Property: • A characteristic of a pure substance that can be observed without changing it into another substance. • Chemical Property: • A characteristic of a pure substance that describes its ability to change into a different substance.
Examples of… • Give me examples of a PHYSICAL PROPERTY… • Break • Melt • Freeze • Evaporate • Condense • Give me examples of a CHEMICAL PROPERTY… • Burn • Rust
Review… • Matter is… • 1) Anything that has mass but takes up no space. • 2) Anything that takes up space but has no mass. • 3) Anything that has mass and takes up space. • 4) None of the above…
Review… • Chemistry is… • 1) Something that has to do with beakers, flasks, and bubbly stuff. • 2) Study of the properties of matter and how matter changes. • 3) Study of bubbly stuff. • 4) None of the above.
Review… • Substance is… • 1) Something people mention on the news as being “foreign”. • 2) A single kind of matter that is pure and has a specific set of properties. • 3) Anything that has mass and takes up space. • 4) None of the above.
Review… • A Physical Property is… • 1) A characteristic of a pure substance that describes its ability to change into a different substance. • 2) A single kind of matter that is pure and has a specific set of properties. • 3) The study of the properties of matter and how matter changes. • 4) A characteristic of a pure substance that can be observed without changing it into another substance.
Review… • A Chemical Property is… • 1) A characteristic of a pure substance that describes its ability to change into a different substance. • 2) A single kind of matter that is pure and has a specific set of properties. • 3) The study of the properties of matter and how matter changes. • 4) A characteristic of a pure substance that can be observed without changing it into another substance.
Homework… • Be sure to… • Have all 15 terms from Chapter 2, Section 1 (Pages 34-43) • Read pages 34-43 (again!)