Thereâs Energy in That Nut

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# Thereâs Energy in That Nut - PowerPoint PPT Presentation

There’s Energy in That Nut. Hannah Rae Hendra 3rd Grade, Age 9 April 29, 2007 Misawa, Japan. Scientific Investigation. Objective. Determine how much energy is in various types of nuts through heating of water by burning the nuts Perform similar experiment with marshmallows

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Presentation Transcript

### There’s Energy in That Nut

Hannah Rae Hendra

April 29, 2007

Misawa, Japan

Scientific Investigation

Objective
• Determine how much energy is in various types of nuts through heating of water by burning the nuts
• Perform similar experiment with marshmallows
• Document results
• Have fun

Scientific Investigation

Experiment Hypothesis
• The brazil nut will burn longest because it is the largest.
• Marshmallows will be comparable to the nuts.

Scientific Investigation

Research
• Internet Google Search provided Several Different Experiment Types
• Keywords: “Science Experiment Nuts”
• 1,120,000 results in 0.11 seconds
• Chose the following as a basis:

http://www.woodrow.org/teachers/chemistry/institutes/1988/foodheat.html

Scientific Investigation

Search Results

Scientific Investigation

Procedure
• Measure 50ml of water in beaker.
• Pour the water into a metal measuring cup.
• Measure the starting temperature of the water.
• Position the nut under the water and light it.
• Start the timer and watch for the nut to burn out.
• Once the nut is done burning, stop the timer and record the temperature.

Scientific Investigation

Precisely Measuring The Water

The Experiment (1)

The Nuts

Observing the Process

Scientific Investigation

The Experiment (2)

Precisely Documenting Results

Explaining the Experiment to Inquisitive Neighbors

Scientific Investigation

Experiment Results (1)

Scientific Investigation

Experiment Results (2)

Scientific Investigation

Experiment Results (3)

Scientific Investigation

Final Observations
• The nuts burned for a long time.
• The brazil nut burned the longest.
• The marshmallows didn’t do much.
• The brazil nut had the most energy.
• The peanut had the least energy.
• The size of the nuts varied.
• This experiment was exciting.

Scientific Investigation

The Display

Scientific Investigation