Podcast
Questions and Answers
Which of the following is an example of a physical change?
Which of the following is an example of a physical change?
- Melting ice (correct)
- Burning wood
- Rusting iron
- Baking a cake
Which of the following is a pure substance?
Which of the following is a pure substance?
- Sand
- Air
- Gold (correct)
- Salt water
What is the difference between a physical property and a chemical property?
What is the difference between a physical property and a chemical property?
- Physical properties are inherent to a substance, chemical properties are gained through interaction.
- Physical properties are observed by sight, chemical properties are not.
- Physical properties can be changed, chemical properties cannot.
- Physical properties describe the appearance of a substance, chemical properties describe how it reacts. (correct)
Which of the following is NOT a state of matter?
Which of the following is NOT a state of matter?
Flashcards
Physical Change
Physical Change
A change that alters physical properties without changing chemical structure.
Chemical Change
Chemical Change
A change that alters both physical properties and chemical structure.
States of Matter
States of Matter
The distinct forms that different phases of matter take on: solid, liquid, gas.
Properties of Matter
Properties of Matter
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Classifications of Matter
Classifications of Matter
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Study Notes
Types of Changes in Matter
- Matter can undergo physical or chemical changes.
- Physical changes alter the physical properties of a substance, but not its chemical structure.
- Chemical changes alter both the physical and chemical structure of a substance.
States of Matter
- Matter exists in three primary states: solid, liquid, and gas.
Properties of Matter
- Matter has physical and chemical properties.
Classifications of Matter
- Pure substances include elements and compounds.
- Mixtures are combinations of pure substances.
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