Post on 01-Apr-2015
Jeopardy
Lab Safety
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ScientificMethod
ChemistryPart 1
ChemistryPart 2
1 Macromolecule
2 Macromolecule
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If you get something in your eyes, you should:
a. inform the teachersb. use the eyewash immediatelyc. rub your eyes quickly with a tissued. d. do not do anything
Answer
Category 1 - 100
Broken glass should be disposed of:a. by wrapping it in newspaper and putting it into the classroom trash canb. by grinding it up in little pieces so no one will get cutc. putting it into the glass disposal boxd. by treating it with a chemical that causes it to melt Answer
Category 1 - 200
Which of the following is permitted in the science laboratory?
a.candy b. chewing gumc. food d. bottled watere. none of these
Answer
Category 1 - 300
Which of the following is NOT considered a safety procedure?
a. follow the directions as writtenb. read all the steps in your activity before doing itc. if in doubt about any part of the activity, trust your instinctsd. follow your teacher’s instructions
Answer
Category 1 - 400
Which of the following methods is the safest way of heating liquids?a. heating the liquid in a closed container on a hot plateb. heating the liquid in an open beaker on a hot plate, while wearing gogglesc. heating the liquid in a test tube, pointed towards you, over a flamed. in metal cup in a microwave Answer
Category 1 - 500
Name all the variables that are kept constant across every trial
A.independent B. dependent
C. controlled
Answer
Category 2 - 100
In a lab in which different fertilizers are tested for their effect on plant growth, the fertilizers represent which variable?
A. independent B. dependentC. controlled
Answer
Category 2 - 200
The work of scientists begins with
a. creating experimentsb. testing a hypothesisc. drawing conclusionsd. careful observations
Answer
Category 2 - 300
You state the presence of water could accelerate the growth of bread mold. This is a(an)
a. experiment b. analysisc. hypothesis d. conclusion
Answer
Category 2 - 400
The variable that is measured in response to change
A.independent B. dependent
C. controlled Answer
Category 2 - 500
Basic unit of matter.
Answer
Category 3 - 100
Positively (+) charged particle in the atom.
Answer
Category 3 - 200
Bond formed by sharing electrons
Answer
Category 3 - 300
Particles involved in the bonding between/among atoms
Answer
Category 3 - 400
Composed of only of a single type of atom.
Answer
Category 3 - 500
Your uncle is making Kool-Aid to serve with lunch. He mixes up the drink by adding Kool-Aid powder to H2O. In this delicious beverage:
The Kool-aid powder is this.
A. solutionB. solvent C. soluteAnswer
Category 4 - 100
The atomic number of nitrogen is 7. This means that nitrogen has:
Answer
Category 4 - 200
The universal solvent is
Answer
Category 4 - 300
A substance with a pH of 1 is classified as:
Answer
Category 4 - 400
Why is pH so important to living things?
A. because chemical reactions in the body will not function correctly
B. because some organisms have adapted to living in specific pH environments
C. because some organisms can sense changes in pH in their environments and act accordingly
D. all of the aboveE. none of the above Answer
Category 4 - 500
A major difference between organic and inorganic compounds is that organic compounds usually contain the element:
Answer
Category 5 - 100
A disaccharide is formed by:
A. dehydration synthesis of two monosaccharideB. the combination of a protein and a sugarC. the breakdown of cell plasma membranesD. the hydrolysis of glucose
Answer
Category 5 - 200
Fats, oils and waxes are substances classified as
Answer
Category 5 - 300
Match each organic compound (polymer = multiple units) to its basic unit (monomer = single unit). Use each choice only once.
carbohydrate A.amino acidsB. monosaccharidesC. NucleotideD. 3 fatty acids + glycerolE. 2 fatty acids + glycerol + phosphate
Answer
Category 5 - 400
Match each organic compound (polymer = multiple units) to its basic unit (monomer = single unit). Use each choice only once.
phospholipid A.amino acidsB. monosaccharidesC. nucleotideD. 3 fatty acids + glycerolE. 2 fatty acids + glycerol + phosphate
Answer
Category 5 - 500
Proteins are:
A. the basic source of cellular energy B. the building blocks of nucleic acidsC. made of amino acids D. the main component of plasma
membranes Answer
Category 6 - 100
DNA and RNA are examples of which macromolecule
Answer
Category 6 - 200
A chemical that turns bluish-black in the presence of a starch is
A. Benedict’s B. Biuret’sC. iodine D. water
Answer
Category 6 - 300
Special “helper” proteins that speed chemical reactions are called
Answer
Category 6 - 400
Enzymes:
A. lower the amount of energy needed to activate a reaction
B. increase the amount of energy needed to activate a reaction
C. are changed during the reaction and become part of the product
D. make a reaction go more slowlyAnswer
Category 6 - 500
b. use the eyewash immediately
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c. putting it into the glass disposal box
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d. bottled water
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c. if in doubt about any part of the activity, trust your instincts
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b. heating the liquid in an open beaker on a hot plate, while wearing goggles
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C. controlled
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A. independent
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d. careful observations
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c. hypothesis
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B. dependent
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atom
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proton
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covalent
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valence electron
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element
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solute
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seven protons
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water
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an acid
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all of the above
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Carbon
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dehydration synthesis of two monosaccharides
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Lipids
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monosaccharides
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2 fatty acids + glycerol + phosphate
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made of amino acids
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nucleic acids
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iodine
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enzymes
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lower the amount of energy needed to activate a reaction
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