Scientific Inquiry Earth Science Physical and Chemical Changes Photosynthesis Genetics and Plant Reproduction
100
Where do you place the data for the Independent Variable on a graph?
Along the x-axis
100
What are the two properties that determine the gravitational pull that keeps the planets in orbit around the sun?
distance and mass
100
What is the result of a chemical reaction?
a rearranging of the reactants atoms
100
What are two other names for glucose?
carbohydrate
sugar
100
What is fertilization?
the combining of sperm and egg
200
What is the trial of an experiment that represents the base-line data before any variables are changed?
Control
200
What causes warmer temperatures in summer than in winter?
the amount of tilt of the Earth's axis
200
What is a physical change?
a change in a substance's state of matter
200
What are the reactants for photosynthesis?
sunlight, chlorophyll, water, and carbon dioxide
200
What is the purpose of asexual reproduction?
production of two identical daughter cells
300
What is the conclusion?
A statement explaining how the results from an experiment relate to the hypothesis.
300
What is a geologist ?
scientist that studies the how's and why's of the Earth's surface and interior
300
How do you know that cellular respiration is a chemical reaction?
glucose and oxygen change into ATP, carbon dioxide, and water
300
How does water get into the plant?
roots by osmosis
xylem by capillary action
300
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
400
What is a statement about what the experimenter believes will happen when a variable is changed?
Hypothesis
400
What is soil?
a mixture of sand and decayed plant and animal materials
400
What are examples of chemical changes?
toasted marshmallow--yes
rusted pipe--yes
melted gold--no
400
What is a plant considered a "producer"?
creates its own food, glucose
400
What is meiosis?
the way eukaryotic organisms create gametes
500
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
500
What is the Amazon rainforest?
traps an enormous amount of carbon dioxide protecting the atmosphere
500
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.
500
Why do trees go dormant? or Why do the leaves fall off of trees?
the sunlight is not sufficient for photosynthesis to occur
500
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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