vocab
What is a chemical change?
something that cannot change back.
Is cutting wood a physical change?
yes, nothing new is made
what part of the plant sucks up the water?
the roots
Is ice a solid
yes
Is burning wood a chemical change?
Yes, it creates ash
What is a physical change?
Something that can chnage back.
Is shaking soda a chemical change?
no its pyhsical
Are bricks transparent?
No they are opaque
What state of matter is vapor?
gas
is cooking an egg a chemical change?
yes, it becomes a solid
What is a substance
a specific type of matter
is boiling water a physical change?
Yes, changes from liquid to gas
What are two ways to stop population?
recycle, pick up trash
What state of matter are people?
solid opaque
is cutting a cake a chemical change?
no, still cake the shape changes
What is a reaction?
two substances combined to make one
is cutting paper a chemical change?
no, its still paper shape changes
is fire artificial light
no its natural
What state of matter is slime?
Luiqid
Is digesting food a physical change
No, chemical some stored as energy the rest turns into waste
What is an irreversible change?
matter that does not change back
is mixing colors a physical change
yes, nothing new is being created
What habitat does a lion live in?
grasslands
What state of matter is Oobleck?
both
Is spoiled milk a chemical change
Yes, it doesn't smell good and becomes thick