True/ FalseVocabulary pH Carbon Atomic Energy
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QUESTION:
•A change in matter that creates a new substanceANSWER:
•Chemical Change
QUESTION:
• A substance present before a chemical change
ANSWER:
• reactant
QUESTION:
• man- made plastics
ANSWER:
• synthetics
QUESTION:
•Compound formed by a reaction between an acid and baseANSWER:
• salt
QUESTION:
• The building blocks of all living things
ANSWER:
• organic compound
QUESTION:
• What number is neutral on the pH scale?
ANSWER:
• 7
QUESTION:
• Examples: drain clear, vinegar, ammoniaANSWER:
• base
QUESTION:
• If you have a base of 9, what acid level do you need to make it neutralized?
ANSWER:
• 5
QUESTION:
• Acids taste _______.ANSWER:
• sour
QUESTION:
• Materials that change color in the presences of acids and bases are __________.
ANSWER:
• indicator
QUESTION:
• A poisonous gas made from fuels not completely burning.ANSWER:
• carbon monoxide (CO)
QUESTION:
• A molded material that can retain its shape.
ANSWER:
• plastic
QUESTION:
• Gas that comes from chicken poop.
ANSWER:
• Methane
QUESTION:
•What is frozen carbon dioxide?
ANSWER:
• dry ice
QUESTION:
• Organic compound that stores energy.
ANSWER:
• lipids
QUESTION:
• Element that gives off energy in the form of rays or particles
ANSWER:
• radioactive
QUESTION:
• Strongest type of radiation.
ANSWER:
• gamma rays
QUESTION:
Type of radiation that can not pass through paper.
ANSWER:
• alpha particles
QUESTION:
•When a neutron splits a nucleus into two or more piecesANSWER:
• nuclear fission
QUESTION:
•A device that measures the radioactivity of a substance.ANSWER:
• Geiger counter
QUESTION:
•Leaves changing color is a chemical reaction.
ANSWER:
• true
QUESTION:
•A synthesis reaction breaks down into more simple substancesANSWER:
• false
QUESTION:
• Changing the concentration of a reaction will not affect the chemical reaction
ANSWER:
• false
QUESTION:
•Adding ammonia to a mixture would make it more acidic.ANSWER:
• false
QUESTION:
•A lemon is a 2 on the pH level.ANSWER:
• true