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Published byJudith Fox Modified over 9 years ago
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In chemistry, most energy is in the form of: heat and fire
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Elements can be identified because each type has a unique: weight
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Which type of change does NOT create a new substance? physical change
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The ability to do work or cause change is: energy
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A combination of matter that forms a new substance and cannot be separated again is a: compound
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Name an example of a physical change. tearing, breaking, melting, reshaping
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What properties might change when a new compound is formed? both physical and chemical properties: color, taste, size, shape, smell, what it is made of
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Salt is an example of what type of matter? compound
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What type of matter is a bowl of Lucky Charms cereal? mixture
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Which of these pictures is NOT made of CHON? the metal!
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Name an example of a chemical change. burning, rusting, milk curdling, anything that creates a new compound
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A combination of matter that can be separated back apart is a: mixture
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What type of matter is gold? element
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People, food, animals, and anything that was once alive are made of what elements? CHON-- carbon, hydrogen, oxygen, nitrogen
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A mailbox rusting is an example of what type of change? chemical
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Which of the pictures is a compound? the bee! it is made of CHON. Kool-Aid is a mixture.
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The smallest unit of matter is: an atom
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A snowman melting is an example of what type of change? physical, because it is still made of water.
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The material that everything on Earth is made of is called: matter
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What type of matter is vegetable oil? compound. Made of CHON!
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The cow being black and white, furry, and having a tail are what type of properties? physical. You can tell without experimenting.
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chemical. You have to experiment to find this. Salt is made of bleach and metal. It dissolves easily in water. What kind of properties are these?
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What type of matter is fire? Fire is not matter, it is energy! There are no atoms in it.
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Anything you can tell without doing an experiment: It is golden brown colored. It is thick and sticky and drips. Name 2 physical properties of honey.
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Anything you can’t tell without doing an experiment: It is CHON, it is made from bees, it dissolves in tea, etc. Name 2 chemical properties of honey.
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