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What is it called when safety measures are taken ahead of time?
precautions
What is fermentation?
a chemical process in which microorganisms, like yeast or bacteria, break down sugars
What is humidity?
the amount of moisture in the air
What are microfossils?
very small fossils, often identified with a magnifying glass or microscope.
Name 3 lab rules
multiple answers
Which is the better food for yeast, salt or soda?
soda
Which state would be more humid, Nevada or New York? How do you know
New York, Nevada is a desert
How do scientists know how old a fossil is?
carbon-14
Name the steps of the scientific method
1. Ask a question
2. Form a hypothesis
3. Design an experiment
4. Analyze results
5. Share results
What byproducts are created from yeast processing sugar?
carbon dioxide, alcohol
What is the moisture found on grass in the morning?
dew
What is the Ice Age?
a period of Earth's history when temps dropped and the planet was covered in ice
What are variables?
parts of an experiment that can change
When do clouds form?
water droplets in the atmosphere collect in large groups
How long does it take for half of carbon-14 to become stable?
5,730 years