1. Answers

2.  Matter= Anything that has mass and takes up space.  Mass = what something is made of. Measured in kg, g and does not change when you go to different planets.

3.  Solids = vibrate in place movement of molecules  Liquids = glide past each other movement of molecules  Gases = fastest movement of molecules

4.  Atom= small bit of matter  Molecule= 2 or more of the same atom combined chemically.  Element= pure substance found naturally in nature and are on the PT.

5.  Physical Property = having qualities that change physically. (ex: Rough to smooth fingernails)  Physical Change= a change that keeps it’s original properties. (ex: ripping a sheet of paper)

6.  Chemical Property= having qualities that change chemically or able to react. Ex: combustibility, flammable  Chemical Change= a change that does not keep it’s original properties and changes to a new substance. (ex: burning a pile of leaves)

7.  Matter cannot be created nor destroyed.

8.  The periodic table is arranged according to increasing atomic numbers from left to right.  (periods, groups, metals, non-metals, gases etc.  The atomic number, atomic mass and chemical symbol is given about each element

9.  Metals = Physical properties include shiny, ductile, malleable and good conductors (located on the left and center of the P.T.)  Non-Metals= Physical properties include dull, brittle and good insulators (located on the right side of the P.T.)  Metalloids= share both qualities of metals and non metals (located around the steps on the P.T.) 

10.  The theory that states energy can neither be created nor destroyed. It just changes from one form to another.

11.  Potential Energy= stored energy that is waiting to be used. Ex: a rock sitting on top of a cliff.  Kinetic Energy= energy of motion. Ex: a rock rolling down a hill.

12.  Conduction= direct contact of heat  EX: (touching a hot stove)  Convection= indirect contact of heat  EX: (heating a house)  Radiation= heat from the sun  EX: (the sun)

13.  Structure= has velocity  Movement= travels in light waves  Properties= transverse waves

14.  Reflection= the bouncing off of light  Refraction= the bending of light  Diffraction= the bending of direction  Absorption= the collection of light

15.  Sound= vibrations that travel through air.  Pitch= how high or low a sound is  Volume= loud or soft a sound is  Doppler Effect= An increase (or decrease) in the frequency of sound, light, or other waves as the observer moves toward it

16.  Amplitude= how powerful the wave is.  Frequency= how often the wave moves.

17.  Gravity= The force that attracts a body towards the center of the Earth.  It is dependent upon WEIGHT AND MASS.

18.  Mass= the amount of space something takes up and what it is made of.  Weight= how heavy something is.

19.  They all depend on one another.  If one changes, they all change.

20.  Speed= distance/time …how fast something is going  Velocity= the speed and direction something is going  Acceleration= AVERAGE speed and velocity something is going

21.  Newton’s Law 1= an object stays at rest until something moves it. (Inertia)  Newton’s Law 2= Force = mass * acceleration  Newton’s Law 3= for every action, there is an equal, but opposite reaction (rocket blasting)

22.  Lever= crane  Pulley= rock climbing pulley  Inclined Plane= ramp  Screw= screw driver  Wedge= scissors  Wheel and Axel= door knob

23. If one changes, they all change.

24.  Electric Field= produce magnetic fields  Magnetic Field= produce electric fields  They help keep the Earth in Motion

25.  Series Circuit= if one current is broken, all currents will stop the flow of energy.  Parallel Circuit= if one current is broken, other currents will not stop the flow of energy.

26.  Sprinkle iron filings on and around the fields and see if a pattern of attraction at the north and south poles occurs.