Molecules are tightly packed together, so they hold their shape and do not flow. The molecules in this form of matter vibrate.
What is a solid?
100
When matter changes states, _____________ is either added or taken away.
What is energy?
100
A substance that is made up of one kind of atom.
What is an element?
100
A ________________ is made up of two or more atoms joined together
What is a molecule?
100
Kool-aid is an example of this.
What is a solution?
200
Molecules in this form of matter are spread far appart. They bump and whiz past each other at great speed. This state of matter has no definite shape or volume.
What is a gas?
200
When heat is removed from a liquid, it turns into a solid. This process is called_____________.
What is freezing?
200
A subatomic particle with no charge is called a ___________.
What is a neutron?
200
A ________________ is made up of two or more different types of elements joined together.
What is a compound
200
A tossed salad is an example of this.
What is a mixture?
300
In this form of matter, molecules are loosely packed together and can flow past each other. This state of matter takes the shape of its container and has a definite volume.
What is a liquid?
300
When heat is removed from a gas it transforms into a liquid. This is an example of ____________.
What is condensation?
300
The atomic number notates the number of _______________ and ______________ in each atom of an element.
What is protons and electrons?
300
The compound, C8H9NO2, has how many atoms in it?
What is 20?
300
The magnet used to put the iron out of an iron and sand mixture is an example of this term.
What is a separation mechanism?
400
Solids are organized into a _________________ pattern that gives in strength.
What is crystal-like?
400
When a solid turns into a liquid. This process is called _________________.
What is melting?
400
This is calculated by adding the neutrons to the amount of protons in an atom of each element.
What is the atomic weight?
400
This is the formula for 2 atoms of sodium, 1 atom of carbon and 3 atoms of oxygen.
What is Na2CO3?
400
A combination of two or more substances.
What is a mixture?
500
We use this device to show that a gas has mass.
What is a balance?
500
The process in which a liquid turns into a gas.
What is evaporation?
500
The symbol Pb stands for this element. It is also known as plumbum
What is lead?
500
All _____________ are made of molecules, but not all molecules are ______________.
What is a compound?
500
Matter that is made of either the same element or the same molecule. An example of this would be salt.