Vocabulary 1
A change in matter that does not form a new substance is called a ___ change.
What is a physical change?
A mixture in which the individual substances are not spread evenly throughout or are not uniform.
What is a heterogeneous mixture?
Two or more substances that are physically combined and that do not form a new substance form a/an ___.
What is a mixture?
The law of conservation of matter states ______.
Does it state that matter cannot be created or destroyed; it can only change form?
The process of a liquid changing to a solid is ____.
What is freezing?
A mixture in which two or more substances are spread evenly throughout.
What is a homogeneous mixture?
A homogeneous mixture in which two or more substances are spread evenly throughout the mixture is a ____.
What is a solution?
Rust on a metal garden tool is an example of a ___ change.
What is chemical change?
When melted chocolate solidify, the chocolate has reached it _____.
What is freezing point?
The process of a gas changing to a liquid is _____.
What is condensation?
The method that can be used to separate the raisins from a snack mix of pretzels, raisins, and popcorn.
What is hand sorting?
It is important for pastry chefs to understand chemical changes in a matter because ______. (2 reasons)
Do they need to understand what will happen when they combine certain ingredients/the ingredients bake at the right temperature?
A solution that has more than the normal amount of solute in the solvent.
What is concentrated?
Your ice cream is dripping off the cone. The temperature that the ice cream has reached is its ___.
What is the melting point?
The method that best separates a heterogeneous mixture of rice and small metal pieces.
What is magnetic attraction?
Three evidences of a chemical change include ___, ____, and _____.
What is a change is color, change in odor, and change in the state of matter?
A solid solution made of two or more elements, including at least one metal.
What is an alloy?
A solution that is holding all the solute that the solvent can dissolve.
What is saturated?
In a saltwater solution, salt is the substance that is dissolved. Water is the substance that dissolves the salt. Salt is the ____ and water is the ____.
What is a solute and solvent ?
Burning a log in a firepit is an example of a chemical change and the conservation of matter. When the log burns, the wood _____.
Does the wood give off a distinct odor?