Show:
periodic table
energy
atomic structure
stars and galaxies
light and sound
100
metals, non metals and metaliods are examples of
What is the classes of elements
100
the ability to do work is?
What is energy
100
who proposed the theory that all matter us made up of individual particles called atoms?
Who is Dalton
100
what is the distance that light travels in a vacuum in a year?
What is a light- year
100
what is a copy of an object formed by reflected waves of light?
What is image
200
non-metals are?
What is elements that are poor conductors of heat and electric current
200
kinetic energy is?
What is the energy of motion
200
What is a positively charged subatomic particle that is found in the nucleus of an atom?
What are protons
200
what are the very bright stars at the upper right of the H-R diagram?
What are super giants
200
what is material that transmits light?
What is transparent
300
metaloids are?
What is elements with properties that are between those of metals and nonmetals
300
potential energy is?
What is energy that is stored as a result of position or shape
300
what is a negatively charged subatomic particle found in the space outside of the nucleus?
What are electrons
300
what are large, bright stars that are smaller and fainter than the super giants?
What are giants
300
what material scatters light?
What is translucent
400
metals are?
What is elements that are good conductors of electric current and heat
400
what do total potential and kinetic energy of all the microscopic particles in an object make up?
What is thermal energy
400
what is the subatomic particle found in the nucleus of an atom?
What are nuetrons
400
what is the small, dense remains of a low or medium mass star?
What is a white dwarf
400
what material either absorbs or reflects all the light that strikes it?
What is opaque
500
alkali metals are?
What is elements that have a single valence electron and are extremely reactive
500
the energy stored in chemical bonds is?
What is chemical energy
500
what equals the number of protons in an atom of an element?
What is an atomic number
500
what is our galaxy called?
What is the Milky Way
500
a frequency of a sound as you perceive it is?
What is pitch