Show:
Lesson 1
Lesson 1 & 2
Lesson 2
Lesson 2 & 3
Lesson 3
100
The amount of matter in an object
What is mass
100
The resistance to sinking
What is buoyancy
100
The smallest unit of an element that retains the properties of that element
What is an atom
100
Smaller particles with one unit of negative electric charge each, move within the space outside the nucleus
What is an electron
100
The ability to be puled into thin wires without breaking
What is ductility
200
How strongly gravity pulls on an object
What is weight
200
The "skin" created by particles being attracted to other particles on water surface
What is surface tension
200
The center of an atom
What is the nucleus
200
Particles with more than one atom joined together
What are molecules
200
When metals combine with nonmetals from the environment
What is corrosion
300
Measures how much space matter of an object takes up
What is volume
300
A material that cannot be broken down into anything simpler by chemical reactions
What is element
300
A particle with one unit of positive electric charge
What is a proton
300
Scientists describe molecules by combining letters and numbers and form this
What is chemical formula
300
A material that conducts electricity better than a nonmetal, but not as well as a metal
What is a semiconductor
400
Anything that has mass and volume
What is matter
400
state of one of the three common forms that matter can take, which are solid, liquid, or gas, classified how?
What is state of matter
400
The number of protons in an atom is called the what?
What is the atomic number
400
Who developed the periodic table
Who is Dmitri Mendeleev
400
Non-metal or Metalloid: poor conductor of heat and electricity; lack luster; break or crumble rather than bend; many are gases at room temperature
What is non-metal
500
The amount of mass for each mL (or cm3) of a substance
What is density
500
Elements that share common properties such as shiny, luster, conductivity, and flexibility
What are metals
500
A particle with no electric charge, it is neutral
What is a neutron
500
The ability to be bent, flattened, or hammered without breaking
What is malleability
500
Non-metal or Metalloid: Look like metals but they are not as shiny; are not as malleable or ductile
What is metalloid