20 terms


Physics- Invented the LEVER.
Robert Boyle
Chemistry- GASES exert less pressure on their surroundings as they expand
Marie Curie
Chemistry- RADIOACTIVE ELEMENTS decompose by nuclear decay
Johann Doppler
Physics- A sound's PITCH changes as it moves toward & away the listener
George Eastman
Inventions- A CAMERA with film can be made user friendly
Jean Foucault
Earth Science- A long PENDULUM demonstrates how the Earth rotates each day
Benjamin Franklin
Physics- Darker colors ABSORB MORE HEAT than LIGHTER colors do.
Rosalind Franklin
Chemistry- DNA has a DOUBLE HELIX (twisted ladder) shaped structure
Physics- Objects continue to ACCELERATE as they fall
Heinrich Hertz
Physics- An electrified coil of wire can give off RADIO WAVES
Percy Julian
Chemistry- A CHEMICAL CHANGE is one in which something new can be formed
Lord Kelvin
Physics- a weighted wire will melt through an ICE CUBE
James Clerk Maxwell
Physics- A MAGNETIC FIELD produced by electricity depends on the direction of the electric current
Lise Meitner
Physics- Nuclear FISSION occurs when an atom splits in half, & creates a CHAIN REACTION that releases energy
Isaac Newton
Physics- Objects COOL OFF more rapidly when they are much warmer than their surroundings
Blaise Pascal
Physics- the PRESSURE of a fluid increases with increasing AREA
Nicola Tesla
Inventions- a SOLAR CELL can be used to generate electricity from the sun
Evangelista Torricelli
Physics- the PRESSURE of a fluid increases with increasing DEPTH
Alessandro Volta
Physics- a BATTERY can be made with a pile of metals & an acid solution
Granville Woods
Inventions- messages can be sent through wires with a TELEGRAPH