What is this image a model of?
a molecule that forms an element
a molecule that forms a compound
a molecule that forms an atom
an atom
A rusty nail is an example of what kind of change?
Chemical change
How many atoms make up a molecule of water?
2
there's no way to know
1
3
Look at the model of a molecule. How many different elements are used to form the molecule?
what?
3
2
1
Is digesting food an example of a physical or chemical change?
Chemical change
Burning wood is an example of a....?
Chemical change
Burning wood is an example of a....?
Chemical change
A fireworks display is an example of a physical change. True or False?
False
Frying an egg is an example of a chemical change. True or False?
True
Everything is made up of.....
Matter/atoms
There are 3 state of matter, They are.....?
solid, liquid, and gas
Which of these is an ELEMENT?
carbon
carbon dioxide
water
sugar
Peeling a banana is an example of a chemical change. True or False?
False
Is breaking a glass a physical or chemical change?
Physical Change
What kind of change happens when you bake cookies?
Chemical change
How many atoms of oxygen are in a molecule of carbon dioxide?
3
there's no way to tell
2
1
What is the image a model of?
a model of an atom
a model of a compound
a model of the solar system
a model of a molecule
What kind of change happens when you bake cookies?
Chemical change
What kind of change is mixing an egg, sugar, and flour in a bowl?
Physical Change
Which of these is a COMPOUND?
oxygen
carbon
hydrogen
carbon dioxide
Is breaking a glass a physical or chemical change?
Physical Change
A rusty nail is an example of what kind of change?
Chemical change
What is found in the nucleus of an atom?
neutrons & electrons
protons only
protons & neutrons
electrons & protons
Frying an egg is an example of a chemical change. True or False?
True
There are 3 state of matter, They are.....?
solid, liquid, and gas
What do we call a substance that is only made up of one kind of atom?
nucleus
proton
compound
element
What kind of change happens when an apple becomes rotten?
chemical change
What is the image a model of?
an atom
a molecule that is a compound
a molecule that is an element
nothing - just two circles for no reason
Is digesting food an example of a physical or chemical change?
Chemical change
Everything is made up of.....
Matter/atoms
What kind of change happens when an apple becomes rotten?
chemical change
What kind of change happens when an ice cube melts?
Physical Change
Toasting a piece of bread is an example of a...?
chemical change
Toasting a piece of bread is an example of a...?
chemical change
Peeling a banana is an example of a chemical change. True or False?
False
A fireworks display is an example of a physical change. True or False?
False
Most common element found in the Universe.
Hydrogen
What kind of change is mixing an egg, sugar, and flour in a bowl?
Physical Change
What kind of change happens when an ice cube melts?
Physical Change
Which of these is a COMPOUND?
salt
hydrogen
oxygen
iron