Scientific Method
Mary is designing an experiment to look at the migration of Robins. She thinks the robins must migrate during the winter. Which best describes her thought here?
A. Independent Variable
B. Dependent Variable
C. Control
D. Hypothesis
What is a hypothesis?
Which of these is NOT a characteristic of life?
A. Movement
B. Respond to Stimuli
C. Reproduce
D. Grow and Develop
What is A. Movement?
Water is a ___________ substance.
A. Living
B. Non-Polar
C. Polar
D. Chemically Traditional
What is C. Polar?
The Macromolecule that stores genetic information.
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
What is D. Nucleic Acids?
Enzymes ______ the activation energy of a reaction.
A. Increase
B. Maintain
C. Lower
D. Do not impact
What is C. Lower?
What is the control group for this experiment?
Slide 2.
A. Water
B. Type of Plant
C. Pot without Fertilizer
D. Pot with Fertilizer
What is C. Pot without Fertilizer?
What can be concluded based on the graph?
Slide 1.
A. Industrialization did not impact human population.
B. Industrialization did not occur until 2010.
C. Industrialization vastly increased human population growth.
D. Industrialization negatively impacted human population growth.
What is C. Industrialization vastly increased human population growth?
Which number/s correspond to Oxygen on the water molecule?
Slide 4.
A. #1
B. #2
C. #1 and #3
D. #1,2, and 3
What is B. #2?
The macromolecule that is our primary energy source, used in the short term.
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
What is A. Carbohydrates?
Enzymes _________ chemical reactions.
A. Speed up
B. Slow down
C. Stop
D. Double
What is A. Speed up?
Which of these is NOT a constant for the experiment?
Slide 2.
A. 200 mL of Water
B. Amount of light
C. How often plants are watered
D. 10 mL of fertilizer
What is D. 10 mL of fertilizer.?
Characteristic of Life: Gradual changes in a population over time.
A. Homeostasis
B. Response to environment
C. Made of one or more cells
D. Evolve
What is D. Evolve?
Which number/s on the water molecule have a slightly positive charge?
Slide 4.
A. #1
B. #2
C. #1 and #3
D. #1, 2, and 3
What is C. #1 and #3?
The macromolecule that insulates, provides back-up energy, and makes up most of the cell membrane.
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
What is B. Lipids?
Enzymes catalyze reactions with ______ substrate/s.
A. One
B. Multiple
C. Zero
D. Every
What is A. One?
Based on the graph, what is the Dependent Variable?
Slide 3.
A. Day of the week
B. Number of Pushups
C. Line Graph
Characteristic of Life: Chemical process required to maintain life.
A. Evolution
B. Polar Water
C. Homeostasis
D. Metabolism
What is D. Metabolism?
Which of the four substances on the pH scale shown is a weak base?
Slide 5.
A. Calcium Hydroxide
B. Human Blood
C. Milk
D. Lemon Juice
What is B. Human Blood?
The macromolecule that is used for movement, enzymes, cell structure, cell communication, and cell regulation.
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic Acids
What is C. Proteins?
Enzymes often have a common ending of _______.
A. -ose
B. -ese
C. -ise
D. -ase
What is D. -ase?
A student runs an experiment looking at how light color impacts plants. They set up plants with normal sunlight and plants with only blue light. What is their independent variable?
A. Type of light.
B. Plant growth.
C. The same amount of soil and same plant type.
D. There is no Independent Variable for the experiment.
What is A. Type of light?
Characteristic of Life: Maintenance of stable internal environments.
A. Metabolism
B. Homeostasis
C. Development
D. Evolution
What is B. Homeostasis?
This is a property of water, describing when water clings to other water molecules and creates surface tension.
A. Adhesion
B. Ionization
C. Capillary Action
D. Cohesion
What is D. Cohesion?
Which pair of Macromolecule and Monomer is INCORRECT?
A. Carbohydrates - Polysaccharides
B. Lipids - Fatty Acids
C. Proteins - Amino Acids
D. Nucleotides - Nucleic Acids
What is A. Carbohydrates - Polysaccharides?
Enzymes are reusable, but can be destroyed by temperature and _______.
A. Hydrogen Bonds
B. pH
C. Polysaccharides
D. Anabolic steroids
What is B. pH?