The document discusses how to identify keywords for scientific questions to aid in searching databases. It provides examples of questions and lists the keywords that could be used for each, such as "milk", "spoiling", and "refrigeration" for the question "Will milk spoil faster if left out of the refrigerator?". It also covers questions about batteries, acid rain, and popcorn kernels.

2. How does acid rain
affect plants
Scientific Question

4. Will milk spoil faster if left
out of the refrigerator?
Identifying Keywords

5. Will milk spoil faster if left
out of the refrigerator?
• Milk
• Dairy cow
• Spoiling
• Refrigeration
• Expiration date
Keywords = SEARCH Words or Phrases
for Indexes / Databases

6. Will milk spoil faster if left
out of the refrigerator?
• Milk
• Dairy cow
• Spoiling
• Refrigeration
• Expiration date
Keywords = SEARCH Words or Phrases
for Indexes / Databases

7. Which battery
lasts longest?
• Battery
• Electricity
• Volts
• Current drain
• Voltmeter

8. Which battery
lasts longest?
• Battery
• Electricity
• Volts
• Current drain
• Voltmeter
How does acid rain
affect plants?
• Acid rain
• Pollution
• Water and plants
• Measuring pH

9. Which battery
lasts longest?
• Battery
• Electricity
• Volts
• Current drain
• Voltmeter
How does acid rain
affect plants?
• Acid rain
• Pollution
• Water and plants
• Measuring pH
Does the largest popcorn
kernel produce the largest
piece of popped popcorn?
• Popcorn
• Heat
• Kernel
• Steam

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