Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Property Changes
Physical/Chemical Changes
| Question | Answer |
|---|---|
| What are physical changes to an object? | Changes in matter without creating a change in the matter itself |
| What is the definition of a chemical change? | A change of one or more types of matter into other types of matter with different properties |
| Temperatures have been known to help in physical changes, what are four methods that are used for these physical changes? | Melting, Freezing, Evaporation, and condensation |
| Heat temperatures have been known to make chemical changes happen, explain how these effect wood/fire? | Wood turns to carbon when fire burns and changes the wood into carbon |
| Heat temperatures have been known to make chemical changes happen, explain how these effect vegetables/air? | Vegetables are oxidized by air making the change in a chemical level from fresh to rotting |
| Heat temperatures have been known to make chemical changes happen, explain how these three objects are effect metals/water? | Metals combined with water to create a chemical reaction call rust |
| What are some examples of chemical changes other than the examples given earlier in the lesson? | Wood into carbon, vegetable rotting, metals changing into rust. |
| What examples of melting that are helpful and hurtful in physical changes? | Melted butter on toast (Helpful) & Ice cream melting (Hurtful) |
| What examples of freezing that are helpful and hurtful in physical changes? | Ice cream frozen (Helpful) & Butter frozen tears toast (Hurtful) |
| What examples of evaporation that are helpful and hurtful in physical changes? | Drying wet clothes from dryer or outside in the sun (Helpful) & Ice cubes evaporating due to hot temps. outside (Hurtful) |
| What are chemical transformations that indicate change in an object? | Develop gas bubbles, color changes, release of heat or light, new smell, or building up energy or losing energy |
| How does heat effect changes in an element or object? | It increases energy buildup in elements or objects |
| What type of change occurs when a nail begins to turn into rust? | Chemical Change |
| What type change occurs when paper is torn into smaller pieces of paper? | Physical Change |
| Does food go through a physical or chemical change when it is being chewing inside your mouth? | Food goes through physical changes |
| Does food go through a physical or chemical change when it is being digested in your stomach? | Food goes through chemical changes |
| What can you infer about the changes that formed the Grand Canyon? | They were changes physical changes |
| What happens when sodium undergoes a chemical reaction with chlorine? | A new compound is formed---SALT |
| Which term best describes the two substances that react to form salt? | Toxic or poisonous |
| What most accurately describes a chemical change? | A change on the molecular level |
Created by:
vacosta
Popular Science sets