Podcast
Questions and Answers
Which of the following is an example of a grouping category used on farms or ranches?
Which of the following is an example of a grouping category used on farms or ranches?
- Taste
- Weight
- Color
- Breed (correct)
Accurate data measurement and analysis can lead to biased results.
Accurate data measurement and analysis can lead to biased results.
False (B)
What is the pH level of blood?
What is the pH level of blood?
7.4
Ammonia has a pH level of _____ on the pH scale.
Ammonia has a pH level of _____ on the pH scale.
Match each science process with its appropriate description:
Match each science process with its appropriate description:
Which of the following substances is categorized as highly acidic?
Which of the following substances is categorized as highly acidic?
All animals on a farm can be categorized by the number of legs they have.
All animals on a farm can be categorized by the number of legs they have.
What is the pH level of stomach acid?
What is the pH level of stomach acid?
Flashcards
Classifying
Classifying
Sorting objects based on shared characteristics.
Communicating
Communicating
Sharing findings and results of scientific investigations.
Experimenting
Experimenting
Conducting investigations to test a hypothesis.
Inferring
Inferring
Drawing conclusions from observations or data.
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Measuring
Measuring
Comparing unknown quantities to a known standard.
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Observing
Observing
Using our senses to gather information.
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Predicting
Predicting
Making a prediction about a future outcome.
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pH scale
pH scale
A scale that measures the acidity or alkalinity of a substance.
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Grouping Animals on Farms
- Possible groupings for farm animals include species, number of legs, size, and breed.
- Examples of categories include: dog, cow, horse, chicken, goat, duck.
- Other categories may include: four legs, two legs, small, medium, large, Holstein, Angus, Herford, Charlois.
Importance of Accurate Data
- Accurate data measurement and analysis are crucial in agriscience.
- Accuracy ensures unbiased results.
- Data should be reproducible for reliable findings.
pH Scale and Substances
- The pH scale measures acidity and basicity.
- The scale ranges from 0 (highly acidic) to 14 (highly basic), with 7 being neutral.
- Examples of substances and their pH values include: blood (7.4), vinegar (3.0), potato (6.0), stomach acid (2.0), ammonia (11.5), and water (7.0).
Science Processes
- Classifying: Grouping objects with similar characteristics
- Communicating: Sharing findings and results
- Experimenting: Conducting investigations
- Inferring: Drawing conclusions from observations
- Measuring: Comparing unknown quantities to a reference
- Observing: Using the senses to gather information
- Predicting: Making assumptions about the outcome
- Developing an assumption: A prediction of what may occur
- Carrying out an investigation: Conducting an experiment
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