Physics- Invented the LEVER.
Chemistry- GASES exert less pressure on their surroundings as they expand
Chemistry- RADIOACTIVE ELEMENTS decompose by nuclear decay
Physics- A sound's PITCH changes as it moves toward & away the listener
Inventions- A CAMERA with film can be made user friendly
Earth Science- A long PENDULUM demonstrates how the Earth rotates each day
Physics- Darker colors ABSORB MORE HEAT than LIGHTER colors do.
Chemistry- DNA has a DOUBLE HELIX (twisted ladder) shaped structure
Physics- Objects continue to ACCELERATE as they fall
Physics- An electrified coil of wire can give off RADIO WAVES
Chemistry- A CHEMICAL CHANGE is one in which something new can be formed
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
Physics- Nuclear FISSION occurs when an atom splits in half, & creates a CHAIN REACTION that releases energy
Physics- Objects COOL OFF more rapidly when they are much warmer than their surroundings
Physics- the PRESSURE of a fluid increases with increasing AREA
Inventions- a SOLAR CELL can be used to generate electricity from the sun
Physics- the PRESSURE of a fluid increases with increasing DEPTH
Physics- a BATTERY can be made with a pile of metals & an acid solution
Inventions- messages can be sent through wires with a TELEGRAPH
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