Scientific Inquiry | Earth Science | Physical and Chemical Changes | Photosynthesis | Genetics and Plant Reproduction |
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Where do you place the data for the Independent Variable on a graph?
Along the x-axis
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What are the two properties that determine the gravitational pull that keeps the planets in orbit around the sun?
distance and mass
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What is the result of a chemical reaction?
a rearranging of the reactants atoms
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What are two other names for glucose?
carbohydrate
sugar |
What is fertilization?
the combining of sperm and egg
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What is the trial of an experiment that represents the base-line data before any variables are changed?
Control
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What causes warmer temperatures in summer than in winter?
the amount of tilt of the Earth's axis
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What is a physical change?
a change in a substance's state of matter
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What are the reactants for photosynthesis?
sunlight, chlorophyll, water, and carbon dioxide
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What is the purpose of asexual reproduction?
production of two identical daughter cells
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What is the conclusion?
A statement explaining how the results from an experiment relate to the hypothesis.
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What is a geologist ?
scientist that studies the how's and why's of the Earth's surface and interior
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How do you know that cellular respiration is a chemical reaction?
glucose and oxygen change into ATP, carbon dioxide, and water
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How does water get into the plant?
roots by osmosis
xylem by capillary action |
What is the difference between binary fission and mitosis?
one doubles DNA in bacteria, one doubles DNA and all cell organelles in plant and animal cells
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What is a statement about what the experimenter believes will happen when a variable is changed?
Hypothesis
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What is soil?
a mixture of sand and decayed plant and animal materials
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What are examples of chemical changes?
toasted marshmallow--yes
rusted pipe--yes melted gold--no |
What is a plant considered a "producer"?
creates its own food, glucose
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What is meiosis?
the way eukaryotic organisms create gametes
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What are the three pieces of information that must be present in a testable question?
Measurable, implied control, clear understanding of what will be tested
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What is the Amazon rainforest?
traps an enormous amount of carbon dioxide protecting the atmosphere
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What is the result of having a chemical reaction not in a closed system?
The mass of the products will be less than the mass of the reactants.
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Why do trees go dormant? or Why do the leaves fall off of trees?
the sunlight is not sufficient for photosynthesis to occur
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How do plants use both asexual and sexual reprodution?
sprouting runners, budding, reproducing root cells and combining pollen with ovules to create seeds
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