Vocabulary Matters
This is anything that has mass and takes up space.
What is matter?
This is the tool students use in the Amplify unit to observe properties that are too small to see with the naked eye.
What is a magnifying glass (or hand lens)?
In a saltwater mixture, the salt is this type of substance because it is the one being dissolved.
What is the solute?
This is what you create when you mix two or more different substances together without a chemical reaction.
What is a mixture
This is the specific food product that the students are tasked with fixing for the fictional company.
What is salad dressing?
The tiny pieces that all matter is made of, which are much too small to see.
What are molecules (or atoms)?
Even if you cannot see a substance after it dissolves, this property (like weight or mass) proves it is still there.
What is weight (or mass)?
In a saltwater mixture, water is this type of substance because it does the dissolving.
What is the solvent?
This is why different substances have different properties
What is because they are made of different molecules?
This was the main problem with the "Good To Go" dressing package after it sat on the shelf.
What is it separated into layers?
A feature of a substance that can be observed or measured, such as color, smell, or texture.
What is a property?
This is the property that describes how easily a liquid flows, like thick syrup versus water.
What is viscosity
When a solid dissolves, its molecules do not disappear; instead, they do this.
What is break apart and spread out evenly?
In the digital simulation, when molecules are strongly attracted to each other, they tend to do this.
What is clump together (or stay grouped)?
This ingredient was responsible for the sediment left at the bottom of one of the dressing trials.
What is citric acid (or cumin)?
To mix evenly into another substance at the molecular level, seemingly disappearing.
What is to dissolve?
If two white powders look exactly the same, a scientist can test this property by seeing how they react with water or vinegar.
What is solubility (or chemical reaction)?
This term describes a substance, like oil, that cannot dissolve in water.
What is insoluble?
This type of mixture looks completely uniform throughout, like clear lemonade.
What is a homogeneous mixture (or solution)?
To keep the oil and water from separating, a food scientist must add this type of ingredient.
What is an emulsifier
?
A matter scientist who uses their knowledge of chemistry to develop or improve food products.
A Food Scientist.
This happens to the total weight of a mixture when you combine 10 grams of salt with 90 grams of water.
What is it stays the same / equals 100 grams? (Law of Conservation of Mass)
This is what happens to the individual properties of a solid substance after it completely dissolves into a liquid.
What is they are still present (e.g., the mixture still tastes like the solid)?
This type of mixture has visually distinct parts, like a salad dressing that separates into layers.
What is a heterogeneous mixture?
This is the reason the pepper flocking stayed suspended while the cumin sank to the bottom.
What is the pepper molecules were more attracted to the liquid molecules (or difference in density/solubility properties)?