SEPARATING MIXTURES MIXTURES THE MOST COMMON WAY MATTER IS FOUND EXAMPLES-AIR, FRESH WATER, SOIL USUALLY EASY TO SEPARATE THEY ARE EASY TO SEPARATE BECAUSE OF THE DIFFERENCES THE PROPERTIES OF THE MATERIAL THAT MAKE UP THE MIXTURE. DISCUSSION
IF YOU HAD A SANDBOX AND SOMEONE DROPPED A WHOLE BOX OF SMALL NAILS IN IT, HOW COULD YOU CLEAN THE SANDBOX UP SO THAT CHILDREN COULD USE IT AGAIN? FILTRATIO N USED WHEN THE MIXTURE IS COMPOSED OF SUBSTANCES OF DIFFERENT SIZED PARTICLES.
THE MIXTURE IS POURED THROUGH A SIEVE OR FILTER (STRAINER) THE SMALLER PARTICLES SLIP THROUGH THE HOLES BUT THE LARGER PARTICLES ARE CAUGHT BY THE FILTER. ZEOLITES ARE USED TO REMOVE MICROSCOPIC PARTICLES. LAYERS OF FILTERS CAN BE USED TO SEPARATE MIXTURES
GREAT FOR SEPARATING SOLUTIONS. YOU ARE ABLE TO REMOVE THE SOLVENT FROM THE SOLUTE. HEAT UNTIL THE SOLVENT EVAPORATES (FORMS A VAPOR) AND LEAVES THE SOLUTE BEHIND AS A RESIDUE THE SOLVENT WILL NEED TO REACH ITS BOILING POINT TO BECOME WATER VAPOR. EVAPORATION
EXAMPLES OF EVAPORATION IN THE ATMOSPHERE WHEN RAIN LEAVE THE SOIL. SWEATING CLOTHING OR YOUR HAIR DRYING PAINT DRYING EXAMPLES
DISTILLATION OCEAN WATER FORMING WHAT IS THIS? DISTILLED THIS IS REALLY THE PROCESS WATER OF EVAPORATION AND CONDENSATION TO CREATE A PURE SUBSTANCE. A MIXTURE IS BOILED, THE
VAPOR IS CAPTURED, AND CONDENSED WHAT HAPPENS (SOMETHING LIKE A GAS OR LIQUID) MOVING OVER THE SURFACE OF SOMETHING ELSE IN ANOTHER STATE OF MATTER (A LIQUID OR SOLID) THAT STAYS WHERE IT IS.
CHROMOTOGRAP HY TYPES: PAPER CHROMATOGRAPHY: FILTER PAPER IS USED TO TRAP PARTICLES COLUMN CHROMATOGRAPHY: VERTICAL GLASS JAR PACKED WITH A GEL OR
CRYSTALS. MECHANICAL SORTING SORTING FLOATING/SETTLING (DENSITY) MAGNETISM CENTRIFUGING MECHANICAL SORTING PICKING INDIVIDUAL ITEMS OUT BY SIGHT.
USUALLY LARGE ITEMS THAT CAN BE REMOVED WITH TWEEZERS OR BY HAND. THINK ABOUT SORTING LAUNDRY DENSITY WILL CAUSE FLOATING/SETTLING ITEMS TO FLOAT OR SINK. ITEMS THAT FLOAT
CAN BE SKIMMED OFF ITEMS THAT SETTLE CAN BE SEPARATED BY REMOVING THE MATERIAL THAT FLOATS. MAGNETISM USES THE MAGNETIC PROPERTIES OF ONE SUBSTANCE TO PULL IT AWAY FROM THE NONMAGNETIC SUBSTANCE
AT LEAST ONE MATERIAL MUST BE MAGNETIC TO USE THIS METHOD CENTRIFUGING USED WHEN SOLIDS IN A LIQUID ARE SO SMALL THEY CANNOT BE CAPTURED BY A FILTER. THE ITEM ARE SPUN VERY QUICKLY IN A CENTRIFUGE CAUSING THE SUBSTANCES TO SEPARATE. USES BLOOD-SEPARATES BY DENSITY SPIN CLOTHES IN A WASHER
AP WORLD HISTORYPeriod 1: c. 8000 - 600 BCE. ... sickles, traps, clay pots, woven baskets. Metallurgy (manipulating metals) Bronze Age 3000 BCE (copper & tin) Iron Age 1,300 BCE . Patriarchy Develops (continuity for rest of WH) ... Epic...
Submitted for publication, 2007. References: OS Support [DGV04] Adam Dunkels, Björn Grönvall, and Thiemo Voigt. Contiki - A Lightweight and Flexible Operating System for Tiny Networked Sensors. The 29th Annual IEEE Conference on Local Computer Networks, 2004. [HK+05] Chih-Chieh Han,...
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