Elements
I am the most abundant element in the universe?
Hydrogen
No matter can get in or out
A neutral particle inside an atom
Neutron
matter is anything that occupies space and has this?
Mass
Process where plants convert sunlight into energy
Photosynthesis
This element is the building block for all life on earth
Carbon
A blend of 2 or more substances
Mixture
Protons and Neutrons are in what part of the atom?
Nucleus
All matter is made of substances called
What is the hottest planet in our solar system?
Venus
I am a gas that makes up about 80% of the air we breathe
Nitrogen
This describes a material that can dissolve in water
soluble
Negatively charged particle in an atom?
Electron
In what state of matter are the particles the closest together?
Solid
Who is credited with coming up with the theory of evolution?
Charles Darwin
When a fire burns, the fuel is reacting with what gaseous element?
Oxygen
A characteristic of a substance that does NOT change
Property
Positively charged particle in an atom?
Proton
Matter that has a certain volume, but shape can change?
Liquid
What is the largest mammal in North America?
Bison/Buffalo
The atomic number tells us the number of ______ in the nucleus
Protons
What does the law of conservation of matter state?
Matter can not be created or destroyed, it can only change form
The number of protons determines what?
The atomic # or the element
a substance made from 2 or more elements chemically combined in fixed ratios- water for example?
Compound
If iron is oxidized what product is made
Rust