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Science Finals
What is a compound?
Whats a subatomic particle?
Science Finals
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1
Whats a subatomic particle?
3 substances particles make up a atom
The weight of a particle to keep it from sinking
How much force to life a certain amount of particles at once
2 or more objects to keep a particle together
2
What is a compound?
Substance that can be broken down
One substance alone
two or more elements in a fixed ratio
Mixtures based on size of it's largest particles
3
Whats distance and displacement?
force pushing a car
Gravity down on a car
Cosmic rays contain background radiation
The length of a path between two points
4
Who is Democritus?
First person to discover the nucleus
Made the periodic table
He discovered what minerals are
Earliest person to propose the idea of atoms
5
Whats a strong nucleus force?
attraction that acts only on the neutron and protons
weight of the force of gravity acting on an object
That pushes away protons and nuetrons
Force that pulls you down that makes you fall
6
What is Filtration?
Based on the volume of the particles
how much mass is in the object so you can break it up
How to make on mixture into one element
process that separates Materials based on sized of particles
7
Whats a covalent bonding?
When elements change from one to another
The bonding of a metal and a liquid
change in element from liquid to gas
Two nonmetals atoms share valence elecatrons
8
Whats filtration?
The amount of Oxygen in the air
Process that separates materials based size of the particles
How to filter mixed elements that are bonded together
The studies of how some of the elements cant mix
9
Whats a gamma ray?
Penetrating ray of energy emitted by an unstable nucleus
What kind o ray that needs to hit your garden
The different chemicals in your body
The ray of the sun light
10
What was J.J Thompson famous for?
Used an electric current to learn more about atom.
Gold foil experiment
How gold was made
Disovering atoms
11
What is radioactivity?
charged particles and energy that are emitted from nuclei
Penetrating ray of energy emitted by an unstable nucleus
A neutron decomposed into a proton and electrons
The process in which an unstable atomic nucleus emits charge
12
What is Malleability?
How to form an object
Ability of an object to be hammered without shattering
Ability of an object to shatter when you drop it
The melting of an object
13
What are physical properties?
Characteristics that can be observed
Has very few different elements
The same physical properties
The measurement of the particle
14
What is a periodic table?
table showing how hard an object is
Table showing all of the elements
Table showing different parts of the atom
Table showing just metals
15
Whats science?
Observing and investigating to gain knowledge about nature
How to add up different atoms
How to dissect aniamls
The studies of the different chemicals and how to mix them
16
What a nonmetal
only can withstand heat
can conduct electricity and heat
only conduct electricity
Can't conduct heat and electricity
17
Whats a polar covalent bond?
Electrons are shared equally
Electrons aren't shared equally
Particle made up of two protons and two neutrons
two nonmetals mix
18
Whats velocity?
Speed and direction of motion
Movement of an object
A steady change in a vehicle
acceleration
19
What is Ionic bonding?
The chemical bond to take to melt metals
The force that holds cations and anions together.
The force put down on an object
When the highest occupied energy level-of an atom with elec.
20
Who discovered fast moving positive particles in uranium?
John Daltion
Ernest Ruthford
J.J Tompson
Issac Newton
