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NGSS 5-PS1-1: Develop a model to describe that matter is made of particles too small to be seen.
NGSS 5-PS1-3: Make observations and measurements to identify materials based on their properties.
NGSS 5-PS1-4: Conduct an investigation to determine whether the mixing of two or more substances results in new substances.
DISSOLVING AND BACK AGAIN
Objective
Students will be able to develop and explain a particle-level model to describe their observations of water dissolving salt, the water evaporating, and the salt crystals re-forming.
BOUNCY EGG
Objective
Students will make a chemical reaction using the calcium carbonate from an egg shell and the acid in vinegar to take all of the carbon out of an egg .
LAVA LAMP
Objective
Students will make a lava lamp to study the conservation of matter.
SECRET MESSAGE WRITER
Objective
Students will create a secret message using a chemical change with baking soda and a water mixture. The water will evaporate (gas) and the blackberries will form a new substance.
EXTRACTING IRON FROM CEREAL
Objective
Students will use a magnet to extract or separate iron from a cereal water mixture. We need iron to help us absorb oxygen into our blood.
INSTANT SNOW
Objective
Students will use use super absorbent properties of the powder found in diapers and mix it with water to make snow.
ORANGE SODA
Objective
Students will use acid in orange juice (a liquid) and see how it reacts with baking soda (a solid), to create bubbles on top (a gas). Students will describe what the bubbles are made out of, and explain that this carbonation (or carbon dioxide) is similar to the carbonation found in soda.
BOTTLE ROCKETS
Objective
Students will learn how a chemical reaction which produces gas can be used to propel a rocket using alka seltzer tabs and water.
BALLOON BALANCE
Objective
Students will learn that air has matter and takes up space even though we move through it freely throughout our everyday lives.
ICE CREAM
Objective
Students will make a solution of milk and sugar and use rock salt to change it from a liquid to a solid.
Students measured 50 ml of water and froze one. Due to the spreading of molecules the frozen water increased to 55 ml or expanded.
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