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Questions and Answers
What is the definition of matter?
What is the definition of matter?
- Anything that has volume and occupies space
- Anything that has weight and occupies space
- Anything that has mass and occupies space (correct)
- Anything that has shape and occupies space
What is the volume of an object?
What is the volume of an object?
- The amount of weight an object has
- The amount of space an object occupies (correct)
- The amount of space an object displaces
- The amount of mass an object has
How do we measure the volume of an object?
How do we measure the volume of an object?
- Using a ruler
- Using a thermometer
- Using a beaker and measuring cylinder (correct)
- Using an electronic balance
What is the characteristic of a solid?
What is the characteristic of a solid?
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What is the characteristic of a liquid?
What is the characteristic of a liquid?
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What is the characteristic of a gas?
What is the characteristic of a gas?
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Why does the candy have a definite volume?
Why does the candy have a definite volume?
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Why does air not have a definite volume?
Why does air not have a definite volume?
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Study Notes
Matter and Its Characteristics
- Matter is anything that has mass and occupies space.
- Examples of matter: pencil, air, and water.
Volume
- Volume is the amount of space an object occupies.
- Volume can be measured using beakers and measuring cylinders.
- Examples of volume: the amount of space water occupies in a bottle, the amount of space air occupies in a balloon.
Mass
- Mass is the amount of matter an object contains.
- Mass can be measured using an electronic balance.
- Example: Brick A has more mass than Brick B because it has more matter.
Deciding If Something Is Matter
- To decide if something is matter, it must have mass and occupy space.
- If something does not have mass and occupy space, it is not matter.
States of Matter
- Solid: has definite shape and definite volume. (Example: eraser)
- Liquid: has no definite shape and definite volume. (Example: water)
- Gas: has no definite shape and no definite volume. (Example: air)
Characteristics of Objects
- An object has definite volume if its volume does not change when it is placed in a different container. (Example: candy)
- An object has no definite volume if its volume changes when it is placed in a different container. (Example: air)
- An object has definite shape if its shape does not change when it is placed in a different container. (Example: eraser)
- An object has no definite shape if its shape changes when it is placed in a different container. (Example: water)
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