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Who poisoned Buzz Light-year?
By: Julie Forero
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Introduction
Buzz Light-year and Woody were holding auditions for a T.V. show when something terrible happened. Buzz was found poisoned and the only thing left was a few evidence. There was a bitten hotdog, bended metal, 6 spots of white powder around the table, 175 mL of liquid, outline of Buzz, and 1 spot of yellow powder. The only thing is poor Buzz is in the hospital out cold and h can’t tell us who did it. We’ve hired the best detectives to help us solve this case and they are Mystery Incorporated.
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Hypothesis
• The first thing the Mystery Gang did was develop a hypothesis.
• “We think Snow White poisoned Buzz Because of the materials she bought.” exclaimed Velma.
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Drink Density Materials• Pure Water• Alcohol• Salt Water • Vinegar• Grape Drink• Lemonade with Pulp• Crime Scene liquid• Test Tube• Eye Dropper• Mini Beaker
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Drink Density
1) Put one of the liquids into a mini beaker2) Put a small amount of water into a test tube.3) Pick up a substance with the eye dropper and
squeeze out the substance from the eye dropper into the test tube.
4) Observe and compare the substance to water and see which one is denser by seeing which liquid sunk or float.
5) Record your observations.6) Repeat for each liquid.
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Drink Color Materials
• Pure Water• Alcohol• Salt Water • Vinegar• Grape Drink• Lemonade with Pulp• Crime Scene liquid• Eyes
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Drink Color
1) Observe the substance carefully with your eyes.
2) Record the color you see of the substance.3) Repeat for each liquid.
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Drink Conductivity Materials• Pure Water• Alcohol• Salt Water • Vinegar• Grape Drink• Lemonade with Pulp• Crime Scene liquid• Conductivity Meter • Chemistry Tray • Eye Dropper
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Drink Conductivity1) Place each substance into a different slot of the chemistry
tray using the eye dropper.2) Turn on the conductivity meter.3) Place the two metal lines that are at the bottom of the
meter into the substance, but make sure they are separated.
4) Observe which light goes on from the conductivity meter. The red or green light.
5) Match the description to the back of the conductivity meter.
6) Record your observations7) Repeat for each liquid.
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Drink Odor Materials• Pure Water• Alcohol• Salt Water • Vinegar• Grape Drink• Lemonade with Pulp• Crime Scene liquid• Nose• Hands
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Drink Odor
1) Grab a mini beaker that contains any substance.
2) Put it at least 5 inches away from your nose.3) Use your hands to waft the fumes towards
your nose.4) Predict what you smelled by wafting the
fumes toward your nose and record it.5) Repeat it for each liquid.
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Drink Flammability Materials• Pure Water• Alcohol• Salt Water • Vinegar• Grape Drink• Lemonade with Pulp• Crime Scene liquid• Fire • Matches• Grown up
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Drink Flammability
1) Light the match (MAKE SURE A TEACHER OR ADULT IS THERE WITH YOU!!!!).
2) Put the match into one of the substances.3) Observe if it catches any fire.4) Repeat for each substance.
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Wraps Malleability Materials• Plastic• Aluminum• Zinc• Copper• Iron• Sulfur• Crime Scene Wrap• Forceps• Chemistry Tray
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Wraps Malleability
1) Use forceps to grab a wrap.2) Have another person with forceps try to
bend it with you.3) Record if it’s bendable or not.4) Repeat for each wrap.
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Wrap Color Materials
• Plastic• Aluminum• Zinc• Copper• Iron• Sulfur• Crime Scene Wrap• Eyes
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Wrap Color
1) Observe the substance carefully with your eyes.
2) Record the color you see of the substance.3) Repeat for each wrap.
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Wrap Conductivity Materials• Plastic• Aluminum• Zinc• Copper• Iron• Sulfur• Crime Scene Wrap• Conductivity Meter• Chemistry Tray• Forceps
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Wrap Conductivity1) Place each wrap into a different slot of the chemistry tray
using the forceps.2) Turn on the conductivity meter.3) Place the two metal lines that are at the bottom of the
meter on top of one of the wraps, but make sure they are separated.
4) Observe which light goes on from the conductivity meter. The red or green light.
5) Match the description to the back of the conductivity meter.
6) Record your observations7) Repeat for each wrap.
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Wrap Luster Materials• Plastic• Aluminum• Zinc• Copper• Iron• Sulfur• Crime Scene Wrap• Eyes• Chemistry Tray• Forceps
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Wrap Luster
1) Using the forceps place each piece of wrap into one of the slots of the chemistry tray.
2) Observe each wrap carefully and see if it’s shiny or dull.
3) Repeat for each piece of wrap.
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Wrap Reactivity Materials• Plastic• Aluminum• Zinc• Copper• Iron• Sulfur• Crime Scene Wrap• Chemistry Tray• Eye Dropper• Forceps• Hydroelectric Acid
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Wrap Reactivity
1) Place each piece of wrap using the forceps into a slot of the chemistry tray.
2) Squeeze some of the hydroelectric acid from the mini beaker into the eye dropper.
3) Squeeze out the acid into one of the wraps and see if it reacts to it.
4) Record what happened.5) Repeat for each piece of wrap.
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Powder Solubility Materials• Sucrose • Baking Soda• Sodium Polyacrylate• Sodium Chloride• Absorbic Acid• Crime Scene Powder• Chemistry Tray• Mini beaker of water• Eye Dropper• Stirring Rod
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Powder Solubility
1) Place each piece of wrap into one of the slots of the chemistry tray.
2) Using the eye dropper suck some of the water from the mini beaker.
3) Squeeze out some of the water onto one of the powder.
4) Stir the powder and the water together using the stirring rod.
5) Record and see if it mixes together.6) Repeat for each powder.
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Powder Melting Materials
• Sucrose • Baking Soda• Sodium Polyacrylate• Sodium Chloride• Absorbic Acid• Crime Scene Powder• Hot plate• Aluminum Foil
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Powder Melting
1) Tear some aluminum foil and place it on top of the hot plate.
2) Connect the hot plate to the outlet.3) Put one of the powders on top of the foil.4) See if anyone of them melts.5) Record what you see.6) Repeat for each different powder.
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Powder Conductivity Materials
• Sucrose • Baking Soda• Sodium Polyacrylate• Sodium Chloride• Absorbic Acid• Crime Scene Powder• Conductivity Meter• Chemistry Tray
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Powder Conductivity1) Place each powder into a different slot of the chemistry
tray.2) Turn on the conductivity meter.3) Place the two metal lines that are at the bottom of the
meter on one of the powders, but make sure they are separated.
4) Observe which light goes on from the conductivity meter. The red or green light.
5) Match the description to the back of the conductivity meter.
6) Record your observations.7) Repeat for each powder.
![Page 30: Who poisoned Buzz Light-year? By: Julie Forero. Introduction Buzz Light-year and Woody were holding auditions for a T.V. show when something terrible](https://reader035.vdocuments.mx/reader035/viewer/2022062713/56649ce65503460f949b4903/html5/thumbnails/30.jpg)
Powder Reactivity Materials
• Sucrose• Baking Soda • Sodium Polyacrylate• Sodium Chloride• Absorbic Acid• Crime Scene Powder• Hydroelectric Acid in a mini beaker• Eye Dropper
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Powder Reactivity
1) Place each of the powders using into a slot of the chemistry tray.
2) Squeeze some of the hydroelectric acid from the mini beaker into the eye dropper.
3) Squeeze out the acid onto one of the powders and see if it reacts to it.
4) Record what happened.5) Repeat for each different powder.
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Powder Flammability Materials
• Sucrose• Baking Soda• Sodium Polyacrylate• Sodium Chloride• Absorbic Acid• Crime Scene Powder• Matches• Fire • Grown Up
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Powder Flammability
1) Light the match (MAKE SURE A TEACHER OR ADULT IS THERE WITH YOU!!!!).
2) Put the match onto one of the powders.3) Observe if it catches any fire.4) Repeat for each different powder.
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Hotdogs Pre-Squeezed Mass Materials
• Pork Hotdog• Light Pork Hotdog• Fat Free Hotdog• Crime Scene Hotdog• Triple Beam Balance
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Hotdogs Pre-Squeezed Mass
1) Place one of your hotdogs onto the triple beam balance.
2) Measure the mass of the hotdog.3) MAKE SURE IT’S BALANCED. IT CAN’T BE
TOO HEAVY OR TOO LIGHT.4) Record the mass of the hotdog.5) Repeat for each hotdog.
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Hotdogs Post-Squeezed Mass Materials
• Pork Hotdog• Light Pork Hotdog• Fat Free Hotdog• Crime Scene Hotdog• Hands• Triple Beam Balance
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Hotdogs Post-Squeezed Mass
1) Grab one of the hotdogs into your hands.2) Squeeze the hotdog with your hands, but
don’t squeeze it too much.3) Place the squeezed hotdog onto the triple
beam balance.4) Measure the mass of the hotdog and make
sure it’s balanced out.5) Record the mass of the hotdog.6) Repeat for each hotdog.
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Hotdog Conductivity Materials
• Pork Hotdog• Light Pork Hotdog• Fat Free Hotdog• Crime Scene Hotdog• Chemistry Tray• Conductivity Meter
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Hotdog Conductivity1) Place each hotdog into a different slot of the chemistry
tray.2) Turn on the conductivity meter.3) Place the two metal lines that are at the bottom of the
meter on one of the hotdogs, but make sure they are separated.
4) Observe which light goes on from the conductivity meter. The red or green light.
5) Match the description to the back of the conductivity meter.
6) Record your observations.7) Repeat for each hotdog.
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Hotdog Color Materials
• Pork Hotdog• Light Pork Hotdog• Fat Free Hotdog• Crime Scene Hotdog• Eyes • Chemistry Tray
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Hotdog Color
1) Place each hotdog into one of the slots of the chemistry tray.
2) Observe each hotdog carefully.3) Record the color you saw.4) Repeat for each hotdog.
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Hotdog Reactivity Materials
• Pork Hotdog• Light Pork Hotdog• Fat Free Hotdog • Crime Scene Hotdog• Vinegar in a mini beaker• Eye Dropper• Chemistry Tray
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Hotdog Reactivity
1) Place one of the post-squeezed hotdogs into one slots in chemistry tray.
2) Using the eye dropper squeeze some vinegar from the mini beaker.
3) Squeeze the vinegar from the eye dropper onto one of the hotdogs.
4) Record and see if it reacts to the vinegar.5) Repeat for each hotdog.
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Drinks Density Color Odor Conductivity Flammability
Pure Water 1g/mL3 Clear None 1 No
Alcohol Less Clear Strong, Burning
0 Yes
Salt Water More Clear None 3 No
Vinegar Less Clear Strong, Sour
3 No
Grape Drink More Purple Grapes, Sweet
2 No
Lemonade with Pulp
More Yellow Lemons, Sour
3 No
Crime Scene Liquid
1g/mL3 Clear None 1 No
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Powders Solubility Melting Conductivity Reactivity Flammability
Sucrose No Yes 1 No No
Baking Soda No No 4 Bubbles No
Sodium Polyacrylate
No No 4 No No
Sodium Chloride
Yes No 4 No No
Absorbic Acid Yes Yes 3 No No
Crime Scene Powder
No Yes 1 No No
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Wraps Malleability Color Conductivity Luster Reactivity
Plastic Yes Purple No Dull No
Aluminum Yes Silver 4 Shiny No
Zinc No Silver 4 Shiny No
Copper No Brown 4 Dull No
Iron Yes Silver 4 Shiny No
Sulfur No Yellow No Dull No
Crime Scene Wrap
Yes Silver 4 Shiny No
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Hotdogs Pre-Squeezed
Mass
Post-Squeezed
Mass
Conductivity Color Reactivity
Pork 10.3g 9.9g 3 Light Color changed to
purple
Light 11.4g 10.7g 4 Dark None
Fat Free 9.8g 8.1g 4 Medium Color changed to
brown
Crime Scene
Hotdog
13.5g 12.5g 3 Light Color changed to
purple
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0
0.5
1
1.5
2
2.5
3
Conductivity
Pure Water Salt
Water
Alcohol Vinegar
Grape Drink
Lemonade With Pulp
Crime Scene
Drinks:
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Powders:
Sucrose
Baking Soda
Sodium Polyacrylate
Sodium Chloride
Absorbic Acid
Crime Scene
0
0.5
1
1.5
2
2.5
3
3.5
4
Conductivity
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Wraps:
0
0.5
1
1.5
2
2.5
3
3.5
4
Conductivity
Plastic
Aluminum
Zinc
Copper
Iron
Sulfur
Crime Scene
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Hotdogs:
0
0.5
1
1.5
2
2.5
3
3.5
4
Conductivity
Pork
Light
Fat Free
Crime Scene
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Drinks:Drinks Pure
Substance/Mixture?Homogeneous
Heterogeneous?Compound/Element?
Pure Water Pure Heter. Compound
Alcohol Mixture Heter. Compound
Salt Water Mixture Heter. Compound
Vinegar Mixture Heter. Compound
Grape Drink Mixture Heter. Compound
Lemonade with Pulp
Mixture Heter. Compound
Crime Scene Liquid
Pure Heter. Compound
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Wraps:Wraps Pure
Substance/Mixture?Homogeneous
Heterogeneous?Compound/Element?
Plastic Pure Heter. Compound
Aluminum Pure Homo. Element
Zinc Pure Homo. Element
Copper Pure Homo. Element
Iron Pure Homo. Element
Sulfur Pure Homo. Element
Crime Scene Wrap
Pure Heter. Element
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Powders:Powders Pure
Substance/Mixture?Homogeneous
Heterogeneous?Compound/Element?
Sucrose Mixture Homo. Compound
Baking Soda Mixture Homo. Compound
Sodium Polyacrylate
Mixture Homo. Compound
Sodium Chloride
Mixture Homo. Compound
Absorbic Acid Mixture Homo. Compound
Crime Scene Powder
Mixture Homo. Compound
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Hotdogs:Hotdogs Pure
Substance/Mixture?Homogeneous
Heterogeneous?Compound/Element?
Pork Hotdog Mixture Homo. Compound
Light Pork Hotdog
Mixture Homo. Compound
Fat Free Hotdog
Mixture Homo. Compound
Crime Scene Liquid
Mixture Homo. Compound
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Conclusion We’ve finally solved this mystery. “We thought Snow White poisoned Buzz because
of the materials she bought, but we were incorrect.” According to all the information Mystery Inc. collected Arial poisoned Buzz Light-year. “The data we collected shows that Arial did this crime. As you can see from the data we collected the suspect had to have brought water, iron, sucrose, and a pork hotdog. The only person who bought that was Arial.”
From what you can see not every experiment is perfect. There a a few bumps on the road. While Mystery Inc. were trying to find the clues to help them solve this case there were a few flaws. For example, Scooby was trying to figure out how to work the conductivity meter because he always got the same answer. Then Velma told him what he needed to improve on, but what was interesting was how Mystery Inc.’s case related to a case a scientist read before.
www.public.asu.edu/~langland/forensics.html