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Matter Review
Question | Answer |
---|---|
What do we call anything that has mass and takes up space? | Matter |
What do we call a trait that describes matters appearance and can be seen without changing the matters identity? | Physical Properties |
Which property of matter describes its behavior, or ability to do change it's identity? | Chemical Properties |
Which type of property descibres the matters traits is using your 5 senses? | Physical Property |
Which type of property describes the behavior of matter and can only be observed during a chemical reaction? | Chemical Property |
Color, texture, size, shape, volume, solubility, density and area are all ___ properties | Physical |
Flamability, Rustability and Reactivity are all ___ properties. | Chemical |
What type of change in matter does NOT produce a new substance? | Physical Change |
What type of change in matter DOES produce a new substance? | Chemical Change |
Cutting paper, painting a wall and dissolving salt in water are ____ changes: | Physical |
Burning paper and tarnishing metals are _____ changes. | Chemical |
What type of change can usually be reversed? | Physical |
What is another name of a chemical change? | Chemical Reaction |
Wood, chalk, people, air, and metals are all examples of: | Matter |
What is NOT an example of matter? | Energy, love, dreams, sound, light, etc. |
What is meant by states of matter? | Form (or phases) of matter |
How many states of matter are there? | 4 |
What state of matter has a definite shape and definite volume? | Solid |
What state of matter has no definite shape and no definite volume (always fills up its container)? | Gas |
What state of matter has a definite volume but takes the shape of its container? | Liquid |
What state of matter consists of electrically charged particles? | Plasma |
What are the building blocks of matter? | atoms |
What do we call the matter around AFTER a chemical reaction has taken place? | Products |
What do we call the matter around BEFORE a chemical reaction has taken place? | Reactants |
What do we call the matter we MIX TOGETHER in order for a chemical reaction to take place? | Reactants |
What do we call the matter that has FORMED as a result of a chemical reaction? | Products |
What must happens to the atoms in order for a chemical reaction to take place? | The atoms must COLLIDE |
What do we call the links that hold atoms together? | Chemical Bonds |
What forms or breaks the chemical bonds between atoms? | Chemical Reactions (or changes) |
What should you do to the temperature in order to SPEED UP the chemical reaction? | Increase |
What should you do to the concentration in order to SPEED UP the chemical reaction? | Increase |
What should you do the surface area in order to SPEED UP the chemical reaction? | Increase |
What could you do to matter in order to increase its surface area? | Chop it up |
Is energy absorbed or released during an exothermic chemical reaction? | Released |
Are chemical bonds formed or broken during an exothermic chemical reaction? | Broken |
Does an exothermic reaction feel hot or cold? | Hot |
Is energy absorbed or realsed during an endothermic chemical reaction? | Absorbed |
Are chemical bonds formed or borken during an endothermic chemical reaction? | Formed |
Does an endothermic chemical reaction feel hot or cold? | Cold |
If heat is ABSORBED during an endothermic chemical reaction, why does it feel COLD to touch? | The heat energy is "used up" when forming the chemical bonds |
What are 4 signs a chemical reaction is taking place? | 1. Temperature Change 2. Precipitate 3. Gas formation (bubbles) 4. Color Change |
What is a precipitate? | A solid that forms as a result of 2 liquids undergoing a chemical reaction |
What does the law of conservation of matter state? | Matter can never be created or destroyed |
If matter can not be created or destroyed, what happens to the atoms during a chemical reaction? | The rearrange or combine in different ways |