Matter Matters
Anything that has mass and takes up space
What is matter?
Tis type of matter has both a fixed shape and volume
What is a solid?
In our baking soda, vinegar and ballon experiment we used these two states of matter to make what third state?
What is a solid (baking soda) and liquid (vinegar) to make a gas (filled balloon with carbon dioxide)?
When two or more substances combine to form a new substance this is an example of
What is a chemical change?
When two or more pure substances combine this is called
What is a mixture?
The 3 true states of matter
What are solid, liquid, and gas?
This state of matter does not have a definite shape, but it does have a fixed volume
What is a liquid?
In our classroom experiments and your at home experiments, what is the name of the variable that had to stay the same to make it a fair test?
What is a controlled variable?
When a substance changes state or shape but has the same properties, this is an example of___________.
What is a physical change?
A substance that contains only one type of particle is called a
What is a pure substance?
The 3 basic properties of matter
What are shape, mass, and volume?
The molecules in a gas will do this to an open space
What is fill up the entire space?
In class we blew up two balloons and created a balance scale to show what property of gas?
What is mass?
During our experiment with pennies and lemon juice what chemical reaction took place to clean the pennies?
The lemon juice reacted with the cooper oxide on the pennies.
This type of matter cannot be broken down into any other pure substance
What is an element?
All matter is made up of these tiny particles
What are molecules?
Changing a liquid into a solid is know as
What is condensation?
During the mystery powders activity we used these types of properties to help us identify each sample.
What are qualitative properties?
When a firework is set off, what three observable chemical changes occur?
What are light, sound, and heat?
A pure substance that is made up of two or more kinds of particles is called a _____________.
What is an compound?
This can be added to or taken away to change matter from one form to another
What is heat?
This occurs when a solid changes directly into a gas without becoming a liquid first
What is sublimation?
In our density demonstration (mixing oil, water, vinegar, wood, and rock) we learned that density was a measure of ___________________.
What is how much mass an object has compared to its volume?
Rust is an example of a chemical reaction between
What are iron and oxygen?
Suspensions, emulsions, and solutions are all examples of ____________.
What are mixtures?