Making Rock Candy Question/Hypothesis: How does the presence of seed crystals change the growth rate of rock candy? If you add seed crystals to the rock candy than they will grow faster because molecules will attract faster. Procedure: 1. Cut out 6 pieces of yarn. Two strings one inch‚ two strings two inches‚ and two strings three inches. 2. Soak one measurement of each string in water for five minutes. 3. Squeeze excess water and roll each onto a tablespoon of water. 4.
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WEIGHING DISH .6 G SAND + WEIGHING DISH 1.7 G NET. MASS OF SAND 1.1 G SEPARATING BENZOIC ACID SUBSTANCE/ITEM MASS OBSERVATIONS PAPER CUP 10.3 G FILTER PAPER 1 G BENZOIC ACID CRYSTALS + FILTER PAPER 1.5 G NET. MASS OF BENZOIC ACID CRYSTALS .5 G I HAVE A LITTLE LEFTOVER BENZOIC ACID AT THE BOTTOM OF THE CUP THAT I COULDN’T GET TO POUR OUT‚ AND A FEW CRYSTALS LEFT IN WATER AFTER FINISHED WITH THIS STEP THAT APPEARED LATER WHILE EVAPORATING. SEPARATING TABLE SALT SUBSTANCE/ITEM MASS OBSERVATIONS
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Observations In the chart below‚ record your observations of each test for the seven minerals. After you have completed all tests‚ name the minerals in Part 2 of this worksheet. An example of how to fill out the chart is illustrated below. Recorded Observations for Minerals 1–7 Tests Example Mineral 1 Mineral 2 Mineral 3 Mineral 4 Mineral 5 Mineral 6 Mineral 7 Color White Gold Green White Pink White White Black Streak White Black White White White White White Brown Luster Shiny Shiny Specs Shiny
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Rocks: The Dating Game ch By:Rebecca Cze 3-23-12 Rules to the Game Rule of Superposition States that the rocks on the bottom are the oldest and the rocks on the top are the youngest. Rule of Crossing-Cutting Relationships States that if a rock that cuts through the rock layers is younger than the rock layers itself Rule of Lateral Continuity States that everything on the same layer are the same age Rule of Original Horzitonality States that the orginal layer was horizontal‚ but over the years
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levels. An increase in enzyme concentration will increase the reaction rate when all the active sites are full‚ and an increase in substrate concentration will increase the rate when the active sites are not completely full. The enzyme used in this lab is catalase‚ a common catalyst found in nearly all
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information systems (restaurant operations‚ merchandising‚ and financial)? Why was this a problem? Problems the Rank Group found with the Hard Rock’s three main internal information systems -Restaurant operations -Merchandising -Financial The Hard Rock Cafe had many problems with their operating‚ merchandising and financial systems. First‚ there was no standard system. Many cafes and franchise owners installed their own systems and these systems did not integrate or communicate well with each other
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1. What was it about the "counterculture" of Rock ’n’ Roll that drove both parents and media commentators such as Jeff Greenfield to claim that "Rock ’n’ Roll was vile‚ elemental‚ savage‚ and dripping with sex"? In the era of which Rock ’n’ Roll began to develop was a time where tradition were very important‚ meaning when something new tried to change those traditions it scared many people. A large majority that was affected by Rock ’n’ Roll were teenagers and the music influenced many of
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If negative‚ the plasma remains liquid. The negative result may be S. epidermidis but only a more detailed identification test can confirm this‚ using biochemical tests as in API tests and BBL CRYSTAL methods. MATERIALS Sterile swab‚ oxidase strap‚ microorganisms (Pseudomonas aeruginosa‚ E. coli) METHODS A. Catalase 1. A drop of 3% H2O2 was placed on a glass slide. 2. A sterile loop was touched to the culture of the tested organisms. Visible mass of cell was picked. 3.
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“Saturday Climbing” by W.D. Valgardson Study Questions Before reading the story and working on the study questions‚ read the handout entitled “An Introduction to Rock Climbing.” 1. Valgardson opens the story by placing one of the main characters‚ Barry‚ in a predicament. Why is he in that predicament? Find all of the words/phrases that describe how Barry feels in this first section. He got himself into that predicament because he was looking for an activity to do with his daughter that
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AN10833 MIFARE Type Identification Procedure Rev. 3.4 — 11 December 2012 018434 Application note COMPANY PUBLIC Document information Info Content Keywords Abstract MIFARE‚ ISO/IEC 14443 This document describes how to differentiate between the members of the MIFARE card IC family. ISO/IEC 14443-3 describes the initialization and anti-collision procedure‚ and ISO/IEC 14443-4 describes the protocol activation procedure. This document shows how to use these procedures to deliver the chip type information
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