HOMEWORK FOR MONDAY PEARSON CHAPTER 3 LESSON 1
INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 3 LESSON 1
THE SMALLEST PARTICLE THAT CAN BE CONSIDERED AN ELEMENT.
A NEGATIVELY CHARGED PARTICLE
ELECTRON
A POSITIVELY CHARGED PARTICLE
PROTON
AN ATOMIC PARTICLE WITH NO ELECTRIC CHARGE
NEUTRON
SMALL REGION IN THE CENTER OF THE ATOM
NUCLEUS
ENERGY OF AN ELECTRON-ORBIT
ENERGY LEVEL
THE NUMBER OF PROTONS IN THE NUCLEUS
ATOMIC NUMBER
NUMBER OF PROTONS DIFFERENT FROM NUMBER OF NEUTRONS
SUM OF PROTONS AND NEUTRONS
MASS NUMBER
HOMEWORK FOR TUESDAY PEARSON CHAPTER 3 LESSON 2
INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 3 LESSON 2
SUM OF PROTONS AND NEUTRONS
ATOMIC MASS
ARRANGEMENT OF ELEMENTS SHOWING THEIR PROPERTIES
PERIODIC TABLE
EITHER 1 OR 2 LETTERS NAMING THE ELEMENT
CHEMICAL SYMBOL
ROWS CONTAINING SERIES OF DIFFERENT ELEMENTS
PERIOD
THE ELEMENTS IN A COLUMN
GROUP
METALS METALLOIDS NONMETALS
METALS – METALLOIDS – NONMETALS
HOMEWORK FOR WEDNESDAY PEARSON CHAPTER 3 LESSON 3
INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 3 LESSON 3
GOOD CONDUCTORS OF HEAT AND ELECTRICITY
METALS
MATERIALS THAT ARE SHINY AND REFLECTIVE
LUSTER
CAN BE HAMMERED OR ROLLED INTO FLAT SHEETS
MALLEABLE
PULLED OUT INTO LONG WIRES
DUCTILE
THE ABILITY TO TRANSFER HEAT
THERMAL CONDUCTIVITY
THE ABILITY TO CARRY ELECTRIC CURRENT
ELECTRIC CONDUCTIVITY
REACTS WITH OTHER SUBSTANCES
REACTIVITY
DETEREORATION OF A METAL
CORROTION
THE MOST REACTIVE METALS
ALKALAI METALS
MELT AT HIGHER TEMPERATURES
ALKALAINE EARTH METALS
THE METALS IN GROUPS 3 TO 12
TRANSITIONAL METALS
HOMEWORK FOR THURSDAY PEARSON CHAPTER 3 LESSON 4
INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 3 LESSON 4
ELEMENT THAT LACKS MOST OF THE PROPERTIES OF METALS
NONMETAL
MOLECULE MADE UP OF 2 ATOMS
DITOMIC MOLECULE
SALT FORMING
HALOGENS
ATOMS WITH COMPLETE OUTER ORBITS
NOBLE GASES
SOME PROPERTIES OF METALS AND SOME OF NONMETALS
METALLOIDS
CONDUCT ELECTRIC CURRENT UNDER SOME CONDITIONS
SEMICONDUCTORS
HOMEWORK FOR FRIDAY PEARSON CHAPTER 3 LESSON 5
INTERACTIVE PHYSICAL SCIENCE 8TH GRADE CHAPTER 3 LESSON 5
THE ATOMIC NUCLEI OF RADIOACTIVE ISOTOPES RELEASE FAST-MOVING PARTICLES OF ENENRGY
REDIOACTIVE DECAY
INVOLVE THE PARTICLES IN THE NUCLEUS OF AN ATOM
NUCLEAR REACTION
URANIUM THAT SPONTANEOUSLY EMITS RADIATION
RADIOACTIVITY
2 PROTONS AND 2 NEUTRONS
ALPHA PARTICLE
A FAST-MOVING ELECTRON GIVEN OFF BY A NUCLEUS DURING RADIOACTIVE DECAY
BETA PARTICLE
HIGH ENERGY WAVE
GAMMA RAY
THE LENGTH OF TIME NEEDED FOR HALF OF THE ATOM OF A SAMPLE TO DECAY
HALF-LIFE
TECHNIQUE USED TO DATE MATERIALS
RADIOACTIVE DATING