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What happened when we combined the vinegar and baking soda in the baggie?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
Which of the following statements best describes a chemical property of a substance?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
Which of the following is an example of conduction?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
If we put a receycling program into effect, how will this impact landfills?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
Which of the following is an example of a chemical change?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
What helps to reduce bias during an investigation?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
Hydrogen and oxygen react to form water. At an atomic level, how do we know that a chemical reaction has occurred?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
A student mixed two substances together and concluded that a chemical reaction had taken place. What process would the student observe to conclude that a chemical reaction had occured?
The amount of waste in landfills will decrease.
color change
A substance bubbles and produces an odor.
The hydrogen and oxygen atoms regroup into a new molecule.
Iron will rust when exposed to oxygen.
designing an investigation with repeated trials during the investigation
The substance chemically reacted and released energy.
stir fry vegetables
Check it!