Tiny Particles
These are the tiny pieces that all matter is made of.
What are atoms?
A process in which atoms rearrange to form new substances.
What is a chemical reaction?
Something that can be observed about a substance, such as color or smell.
What is a property?
An object, diagram, or computer program that helps explain something.
What is a model?
Fertilizer helps this happen.
What is plant growth?
A group of atoms joined together in a particular way.
What is a molecule?
The starting substances in a chemical reaction.
What are reactants?
The temperature at which a solid changes into a liquid.
What is melting point?
A structure formed by repeating groups of atoms linked together in a large network.
What is an extended structure?
Rusting is an example of this process.
What is a chemical reaction?
Something made completely of the same atoms or groups of atoms.
What is a substance?
The ending substances made during a chemical reaction.
What are products?
The temperature at which a liquid changes into a gas.
What is boiling point?
Scientists use these to make difficult ideas easier to understand.
What are models?
Water boiling on a stove is an example of reaching this temperature.
What is boiling point?
This word means changing the order or position of something.
This word means changing the order or position of something.
Letters and numbers showing the types and number of atoms in a substance.
What is a chemical formula?
This word means able to cause damage.
What does corrosive mean?
Molecules and extended structures are examples of this type of scientific idea.
What are structures of matter?
Ice melting is an example of reaching this temperature.
What is melting point?
The relative size of things.
What is scale?
A substance added to soil to help plants grow.
What is fertilizer?
Name one property of water.
boiling point or color or smell
Why do scientists use models?
To make things easier to see, explain, or understand.
Cleaning chemicals that can damage skin may be described with this word.
What does corrosive mean?