Each element has its own one of these. It maybe one or two letters. Examples are O, Fe, or H
What are Symbols--what does the symbol "K" and "Fe" mean?
100
The basic unit of life.
What is a cell
100
A change that does not alter the form or appearance of a material
What is a physical change
100
Protons, neutrons and electrons
What are the parts of an atom--which has a + charge? - charge? Which are located in the nucleus?
200
There are two kinds of properties of matter--chemical and physical. Name some.
Hard or soft, rough or smooth, round or square, hot or cold, flammable or non-flammable, texture, shape, and color
200
What is a Compound?
They are made up of two or more elements that are chemically combined. example: NaCl (table salt)
200
This cell has a cell wall and a cell membrane.
What is a plant cell. Plant cells also have something else that begins with a "c" that allows plants to photosynthesize.
200
A change in material that produce a new substance.
What is a chemical change
300
A substance that cannot be broken down into any other substance.
What is an element
300
H2O
What is water--what does the "2" stand for? Is water abiotic or biotic?
300
The center or the brain of the cell
What is the nucleus.
300
What is the three states of matter?
Solid, Liquid, and Gas--solids have a _______ shape and_____volume; liquids have a _______shape and ______volume; gasses have __________shape and _________volume
400
These are called the "building blocks of matter"
What are elements
400
What is a mixture
Made up of two or more elements that are NOT chemically combined.
400
The area between the cell membrane and the nucleus. It contains a gel -like fluid.
What is the cytoplasm
400
How much matter something has.
What is mass
400
A combination of two or more atoms that are joined together.
What is a molecule.
500
Elements are made of tiny particles of these.
What are atoms
500
All known elements are listed in the periodic table. What does the atomic number mean? How do you find the atomic mass?
The atomic number is the number of protons in the nucleus. Atomic mass is the total number of protons and neutrons. So if you are given an atomic mass of 35 and the atomic number is 17, how many neutrons are there?
500
The powerhouse of a cell.
What is the mitochondria. BONUS--do plant and animal cells have a mitochondria? Also, what process is the mitochondria involved in?
500
What are the three kinds of heat transfer? Describe them and/or give an example.