the word studying is made up of two words originally “students dying.”
TRANSCRIPT
The word studying is made up of two words originally “students dying.”
WHAT ARE TWO WAYS TO GET NUCLEAR ENERGY?
WHAT ARE TWO WAYS TO GET NUCLEAR ENERGY?
NUCLEAR FUSION AND NUCLEAR FISSION?
WHAT IS THE DIFFERENCE BETWEEN NUCLEAR FUSION AND NUCLEAR FISSION?
WHAT IS THE DIFFERENCE BETWEEN NUCLEAR FUSION AND NUCLEAR FISSION?
NUCLEAR FUSION INVOLVES FUSING TWO SMALL NUCLEI TOGETHER TO FORM A LARGER NUCLEUS.
NUCLEAR FISSION INVOLVES SPLITTING A LARGE NUCLEUS INTO SMALLER NUCLEI.
CAN YOU MAKE A BOMB OUT OF FUEL RODS FROM A NUCLEAR REACTOR? WHY?
CAN YOU MAKE A BOMB OUT OF FUEL RODS FROM A NUCLEAR REACTOR? WHY?
NO, REACTOR FUEL IS ONLY 3.5% URANIUM 235. YOU NEED AT LEAST 90% PURITY TO MAKE A BOMB.
WHAT IS A CHAIN REACTION?
WHAT IS A CHAIN REACTION?
A REACTION THAT TRIGGERS OTHER SIMILAR REACTIONS
WHERE DO WE STORE SPENT (USED) REACTOR FUEL?
WHERE DO WE STORE SPENT (USED) REACTOR FUEL?
AT THE REACTOR WHERE IT WAS GENERATED
WHAT IS HALF LIFE?
WHAT IS HALF LIFE?
THE LENGTH OF TIME THAT IS REQUIRED FOR HALF OF A RADIOACTIVE ISOTOPE TO DISENTEGRATE (CHANGE) TO ANOTHER ISOTOPE
WHICH WOULD BE MORE DANGEROUS, AN ISOTOPE WITH A SHORT HALF LIFE OR AN ISOTOPE WITH A LONG HALF LIFE? WHY?
WHICH WOULD BE MORE DANGEROUS, AN ISOTOPE WITH A SHORT HALF LIFE OR AN ISOTOPE WITH A LONG HALF LIFE? WHY?
ONE WITH A SHORT HALF LIFE – IT IS BREAKING DOWN FASTER AND WILL GIVE OFF MORE RADIATION
WHAT IS BACKGROUND RADIATION?
WHAT IS BACKGROUND RADIATION?
THE NATURAL RADIATION AROUND US AT ANY TIME
HOW DO WE MEASURE RADIATION?
HOW DO WE MEASURE RADIATION?
WITH A GEIGER COUNTER
LIST THE 3 MOST COMMON TYPES OF RADIATION IN ORDER OF DANGER FROM LEAST TO GREATEST.
LIST THE 3 MOST COMMON TYPES OF RADIATION IN ORDER OF DANGER FROM LEAST TO GREATEST.
ALPHA
BETA
GAMMA
WHICH ELEMENT HAS THE MOST STABLE NUCLEUS?
WHICH ELEMENT HAS THE MOST STABLE NUCLEUS?
IRON
WHAT IS THE PREFERRED FUEL FOR A NUCLEAR REACTOR?
WHAT IS THE PREFERRED FUEL FOR A NUCLEAR REACTOR?
URANIUM 235
WHY IS SPENT NUCLEAR FUEL MORE DANGEROUS THAN NEW FUEL RODS?
WHY IS SPENT NUCLEAR FUEL MORE DANGEROUS THAN NEW FUEL RODS?
SPENT NUCLEAR FUEL CONTAINS ISOTOPES WITH VERY SHORT HALF LIVES.
COMPLETE THE FOLLOWING TABLE FOR THE PARTICLES THAT MAKE UP AN ATOM:
Particle Charge Mass, amu
Locatiion
COMPLETE THE FOLLOWING TABLE FOR THE PARTICLES THAT MAKE UP AN ATOM:
Particle Charge Mass, amu
Locatiion
Proton + 1 Nucleus
Neutron
0 1 Nucleus
Electron
- 0 Shells
AN ATOM IS MOSTLY ________________.
AN ATOM IS MOSTLY _EMPTY SPACE___.
COMPLETE THE FOLLOWING TABLE:Elemen
tAt. No. At.
Mass#
protons
# neutron
s
# electro
ns
Ar 18 22
Pt 195 78
Ba 56 81
C 6 12
Zr 91 40
COMPLETE THE FOLLOWING TABLE:Elemen
tAt. No. At.
Mass#
protons
# neutron
s
# electro
ns
Ar 18 40 18 22 18
Pt 78 195 78 117 78
Ba 56 137 56 81 56
C 6 12 6 6 6
Zr 40 91 40 51 40
THE PERIODIC TABLE IS ARRANGED IN ORDER OF INCREASING _______________.
THE PERIODIC TABLE IS ARRANGED IN ORDER OF INCREASING_ATOMIC NUMBER__.
WHAT IS THE DIFFERENCE BETWEEN A PURE SUBSTANCE AND A MIXTURE?
WHAT IS THE DIFFERENCE BETWEEN A PURE SUBSTANCE AND A MIXTURE?
A PURE SUBSTANCE HAS A FIXED COMPOSITION. THE COMPOSITION OF A MIXTURE CAN BE VARIED.
THE DENSITY OF MERCURY IS 13.5 g/ml. WHAT VOLUME WOULD YOU NEED TO HAVE 50 GRAMS?
THE DENSITY OF MERCURY IS 13.5 g/ml. WHAT VOLUME WOULD YOU NEED TO HAVE 50 GRAMS?
Density = mass/volume
Volume = mass/density = 50 / 13.5
Volume = 3.7 ml
Convert the following to scientific notation:
1) 356700
2) 0.00098
3) - 533,000
4) 0.0721
Convert the following to scientific notation:
1) 356700 = 3.567 x 105
2) 0.00098 = 9.8 x 10-4
3) - 533,000 = - 5.33 x 105
4) 0.0721 = 7.21 x 10-2
CONVERT THE FOLLOWING TO REGULAR NUMBERS:
1) 3.82 X 10-4
2) 6.44 X 102
3) 8.3 X 10-7
4) 5.88 X 105
CONVERT THE FOLLOWING TO REGULAR NUMBERS:
1) 3.82 X 10-4 = 0.000382
2) 6.44 X 102 = 644
3) 8.3 X 10-7 = 0.00000083
4) 5.88 X 105 = 588,000
CONVERT THE FOLLOWING TO METERS:
1) 15 cm
2) 1500 mm
3) 1.6 km
CONVERT THE FOLLOWING TO METERS:
1) 15 cm = 0.15 m
2) 1500 mm = 1.5 m
3) 1.6 km = 1600 m
WHAT IS CHEMISTRY?
WHAT IS CHEMISTRY?
THE SCIENCE OF MATTER AND ITS INTERACTIONS.
WHAT IS THE DIFFERENCE BETWEEN A HYPOTHESIS AND A THEORY?
WHAT IS THE DIFFERENCE BETWEEN A HYPOTHESIS AND A THEORY?
A HYPOTHESIS IS A GUESS (AN IDEA), WHILE A THEORY IS A PROVEN HYPOTHESIS.
WHAT IS MATTER?
WHAT IS MATTER?
ANYTHING THAT HAS MASS AND TAKES UP SPACE.
YOU MATTER!!