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science

TermDefinition
flammability how a substance reacts with fire
density how much matter is in a certain space
molecule made of more than one atom connected together
atom really small particles that can't be divided or destroyed in chemical reactions or through phase changes
chemical reaction molecules that make up old substances can be broken apart and the atoms that make them up can be rearranged into new molecules to make new substances
reactants the original substances you started with before a chemical reaction
products new substances that are produced in a chemical reaction
solubility this describes a material that can dissolve in a particular substance
insolubility this describes a material that does not dissolve in something else
property a characteristic of a substance that doesn't change
viscosity how well a substance flows
dissolves when a solid breaks down into particles too small to see and it mixes with a liquid
Which is NOT a state of matter. Solid or odor odor
All matter is made of liquids true or false. false
Matter has mass and takes up space. true or false true
In this type of system, no matter can get in or out. Open or closed closed
This stays the same in a closed system even when changes happen to the matter. Mass or temperature mass
In an _________ system, matter can get in or out so the mass can change if that happens. Open or closed open
Is it possible to have more total atoms at the end of a chemical reaction than at the beginning? no
A balloon filled with helium will float above a balloon filled with air. why? helium is less dense than air
In the bath bomb experiment oil floated on top of the liquid. Which property could be used to explain this? density
properties can change for a substance true or false false
Because the carbon dioxide gas that was produced by the bath bomb put out the match we can say it is flammable or non-flammable. non flammable
Which action will result in a product with new chemical properties? Breaking a mirror or baking a cake baking a cake
Which of the following represents a chemical reaction? Ice cream melting or elephant toothpaste elephant toothpaste
In making a pizza, which process involves a chemical reaction? Mixing spices or baking dough baking dough
Baking soda mixed with vinegar produces carbon dioxide and water. The best way to prove that no mass was lost during this reaction is to? determine the masses of all substances before and after the reaction or determine the mass of the carbon dioxide and water that is produced
In the bath bomb phenomena, what were the reactants? Baking soda, olive oil, water, or baking soda, citric acid, water baking soda, citric acid, water
In the bath bomb phenomena, what were the products? sodium citrate, carbon dioxide, water or sugar and carbon dioxide sodium citrate, carbon dioxide, water
What is happening to the molecules in the bath bomb phenomena? the atoms are breaking apart, rearranging and becoming a new substance
Created by: brynlee67
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