Name something you could change when heat is added
popcorn
Name something that would change when cold is added
water
Name 2 things that will melt
Ice cubes & chocolate,
What is heating?
Making something warmer
Describe the experiment we did in class
Melted chocolate using heat from our hands
Name 2 things that can freeze
ice cream, food (chicken), ice, chocolate
What is cooling?
Making something colder
What is a irreversible change?
Something that cannot be changed back (Cookies, eggs, popcorn)
What is a reversible change?
Something that can be changed back