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2.2 PHYSICAL PROPERTIES

PHYSICAL PROPERTIES – MATCHING: Which physical property is being described? (Some words may be used often, some words may not be used at all) Word Bank: , Conductivity, Malleability, Brittle, , Boiling Point, Density, Smell or Odor, Opaque, Transparent, Translucent, Color, Luster, , Size,

Description Vocabulary Word Description Vocabulary Word A diamond can scratch or cut A piece of Au can be shaped into any other Hardness a piece of jewelry easily without breaking. Wax floats on top of water. Honey flows easier when it is warmed. A piece of Ag reflects the light Electric wires are made from Cu. to create a flashlight. The lens for a telescope is A steel file is heat treated to give made from glass because of it strength, it does not bend this property. before it breaks. Gasoline from a spill stays on Barium is above 725 C and top of water. Liquid below 725 C. Water begins to bubble and Brass and Au have a similar color turn to steam at 100 C. but Au is more brilliant. Your car starts more easily in Small connections in computer the summer than the winter chips are often made of Au rather because of the oil in the engine. than Cu because Au works better. A He balloon floats upwards. The engine compartment of your car is lined with fiberglass to protect the passengers from the engine heat. Jewelry quality diamonds allow A piece of heat treated steel will light to pass through them scratch glass but a piece of lead easily (Transparent) but most will not. diamonds do not they are A person tests two identically A mixture of water and alcohol is shaped and sized objects said heated to separate them. What to be diamond. One is more property allows this? massive than the other. Sand can be separated from The water in the hot springs in rocks to make bags of sand for Yellowstone National Park are a kids sand box. What property identified as having Sulphur due allows this? to the fragrance similar to rotten eggs. An oven mitt is used to pick up Heating a marshmallow over a a hot plate from the oven to fire increases this physical protect your hand. property.

Brittle or Malleable?

Copper wire Seashell Egg shell. M B Wet clay A dish (made of fired clay) Aluminum Foil

Play dough A candy cane Lacrosse Stick

Hockey Stick Lacrosse Ball The Pillsbury Dough Boy

A beaker The bulb on a pipette or eyedropper

Conductor or Insulator?

A metal Spoon A plastic spoon Ceramic Coffee Cup C I A metal golf club The Pillsbury Dough Aluminum Baseball bat Boy

Wooden Baseball Bat Lacrosse Stick Pickle

Mercury Salt Water Tires of a car

Windows

Questions where A Little More Logic is Required (Remember, thinking is our goal)

A column of 4 fluids is shown in the diagram to the left. Answer the questions related to the diagram. 1. What is the 4th fluid? 2. Which fluid is the least dense? 3. Which fluid is the most dense? 4. Are the fluids miscible or immiscible? 5. Bubbles are released from the bottom of the column( at the bottom of the water). In which liquid will the bubbles rise the fastest? (How can you tell)? Hmmm this one is more challenging that it seems.

Two cups have what appeared to be identical liquids. When a person attempts to float identical candles on the fluid one does not float. W8 wut?! Explain what each liquid MIGHT BE.