September 5: Matter Space Time Peet: First part of Chpt. 1 (pp. 1-11 ...
Matter Part 1
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Transcript of Matter Part 1
MATTER PART 1
WATCH THIS VIDEO ON MATTER.
HTTPS://YOUTU.BE/ELCHWUILWA8?LIST=PL1RHBNRTMKY3M6SLLUSUHUQ-I3DOCT7H2
MATTER IS ANYTHING THAT HAS WEIGHT AND TAKES UP SPACE.
GALAXIES AND THE STARS, PLANETS, AND METEORS IN THEM
ARE ALL MADE OF MATTER.
YOU AND I ARE MADE OF MATTER.
WATER IS MATTER.
EVEN AIR IS MATTER.
THERE ARE 3 NORMAL STATES (OR PHASES) OF
MATTER.
WATCH THIS VIDEO ON THE STATES OF MATTER:
https://youtu.be/npv74D2MO6Q?list=PL1RhBnRTmkY3M6sLlUsUHUq-i3docT7H2
ONE STATE IS THE SOLID STATE.
IN THIS STATE, MATTER HAS A
DEFINITE SHAPE AND VOLUME.
WOOD IS A SOLID.
METAL IS A SOLID.
Gold
ANOTHER STATE IS THE LIQUID STATE.
IN THIS STATE, MATTER HAS A DEFINITE VOLUME, BUT NO
DEFINITE SHAPE.
WATER, OF COURSE, IS A LIQUID.
HONEY IS A LIQUID.
AT REALLY HOT TEMPERATURES, METAL BECOMES LIQUID.
Molten gold
ANOTHER STATE IS THE GASEOUS STATE.
IN THIS STATE, MATTER HAS NO DEFINITE SHAPE OR
VOLUME.
GASES TAKE UP WHATEVER SPACE IS AVAILABLE TO THEM.
GAS WILL EXPAND TO FILL UP THE ENTIRE SPACE. GAS WILL ALSO SQUEEZE TOGETHER TO
FIT SMALL SPACES.
Canned air
WHEN GAS IS SQUEEZED TOGETHER, IT TURNS INTO A
LIQUID!
Canned air
THERE IS A 4TH STATE!
IT IS CALLED...
...PLASMA!
WHEN A GAS IS ELECTRICALLY CHARGED, IT TURNS INTO A PLASMASTATE.
PLASMA
WHEN ELECTRICITY IS APPLIED TO THE GAS NEON, YOU GET NEON LIGHTS. YOU’RE SEEING NEON IN THE PLASMA STATE.
HERE ARE 3 OTHER EXAMPLES OF MATTER IN THE PLASMA STATE:
LIGHTNING
WHEN A COLUMN OF ELECTRONS FLOWS FROM SKY TO GROUND, THE AIR THAT IT PASSES THROUGH LIGHTS UP WITH ENERGY. WHAT WE SEE AS LIGHTNING IS ACTUALLY THE AIR WHERE THE ELECTRONS ARE AT, GETTING EXCITED AND GIVING OFF LIGHT.
THE AURORA BOREALIS
STARS, INCLUDING OUR OWN SUN
WATCH THIS QUICK VIDEO ON THE DEFINITION OF THE SCIENCE
WORD “PROPERTIES”.
https://youtu.be/ZZYnERZe3Cg?list=PL1RhBnRTmkY3M6sLlUsUHUq-i3docT7H2
NOW, LET’S LOOK AT THESE PROPERTIES:
REFLECTIVITYFREEZING POINTMELTING POINTBOILING POINT
TRANSPARENCY
https://youtu.be/YCQXDegwnoE?list=PL1RhBnRTmkY3M6sLlUsUHUq-i3docT7H2
NOW THAT YOU KNOW WHAT PROPERTIES ARE, WHAT ARE
PROPERTIES OF MATTER? WATCH THIS VIDEO TO FIND OUT:
https://youtu.be/dN2VDcmuTl4?list=PL1RhBnRTmkY3M6sLlUsUHUq-i3docT7H2
WHAT ARE SOME PROPERTIES OF METAL?
https://youtu.be/nlSemv2fLN8?list=PLp-bdYg7YLtcgbmIMMcaQgiQzw0Mu1TC_
SO, WHAT ARE THE PROPERTIES OF METALS?
METALS ARE:
TYPICALLY GRAY OR SILVER IN COLOR
HARD, YET MALLEABLE
HARD WHEN THEY’RE IN THE SOLID STATE
LIQUID WHEN THEY’RE IN THE MOLTEN STATE
TYPICALLY MAGNETIC
METALS ARE TYPICALLY GRAY OR SILVER. THERE ARE A FEW
EXCEPTIONS, THOUGH:
GOLD AND COPPER
METALS ARE MALLEABLE TO A DEGREE BECAUSE WE CAN MAKE METAL BEND BEFORE IT BREAKS. METAL IS EXTREMELY MALLEABLE WHEN IT IS SUPER HOT. WATCH THIS SHORT VIDEO OF A METAL COIL BEING MADE.
https://youtu.be/Mu_QJEIQ-_s
IN THE SOLID STATE, METALS ARE TYPICALLY HARD.
METALS TURN INTO A LIQUID STATE AT VERY HOT TEMPERATURES.
ALUMINUM MELTS AT 1220°F
IRON MELTS AT 2100°F
COPPER MELTS AT 1983°F
GOLD MELTS AT 1945°F
LEAD MELTS AT 621°F
METALS ARE TYPICALLY MAGNETIC. THE EXCEPTIONS ARE:
GOLDALUMINUM
COPPERLEAD TIN
ZINCSILVER
TITANIUM
NAME THE PROPERTIES OF MATTER. CAN YOU COME UP WITH 15 OF THEM?
PROPERTIES OF MATTER ARE:
STATE OR PHASE (SOLID, LIQUID, GAS, OR PLASMA)LENGTHWIDTHHEIGHTWEIGHTVOLUME
HARDNESSMALLEABILITY
CONDUCTIVITY (OF HEAT AND ELECTRICITY)MAGNETISM
REFLECTIVITYFREEZING POINTMELTING POINTBOILING POINTTRANSPARENCY
COLOR
THAT CONCLUDES THIS PRESENTATION ON MATTER.