Vocabulary
When a substance turns into a different substance with new chemical properties.
What is a chemical change
Name one example of a physical change
Ice melting, cookie crumbling, paper ripping...
Name 1 example of a chemical change.
Burning paper, burning wood, frying an egg....
A type of change that cannot be undone or reversed.
How is a physical change different from a chemical change?
A physical change does not create a new substance while a chemical change does.
Is cooking food a chemical change? Why or why not?
Yes. The color changes permanently, you cannot change the food back to its original form.
A change that affects physical properties without changing the substance.
What is a physical change
Which of the following is a physical change: melting ice, burning wood, or mixing baking soda and vinegar?
Melting ice
Which one of the following is a chemical change:
Cutting a slice of bread
Blow drying your wet hair
Silverware rusting
Silverware rusting
A substance that changes color or appearance during a chemical reaction.
What is an indicator
Name 3 examples of physical changes.
Chopping wood, cutting a rock, a candle melting
True or false:
Acid rain damaging a marble statue is a physical change.
False- this is chemical. The statue is damaged and cannot be reversed back.
A scientific principle stating that matter
cannot be created or destroyed in a chemical
reaction; it can only change forms.
What is the Law of Conservation of Matter
Can all physical changes be reversed? Why or why not?
No, for example cutting grass or chopping wood-you cannot change the substance back into its original form
What are 3 examples of chemical changes? Explain why they are chemical.
An object rusting, fireworks exploding, burning an object or food....