Vocabulary
Chemistry is the study of _______________________ and how it changes
What is matter.
Density is an example of a ____________________________
What is Physical Property
A plane burns gasoline as fuel
What is chemical change
Hot Chocolate is an example of a(n) _________________________ mixture because its molecules are mixed evenly.
What is homogenous
What happens to the tiny particles in matter when cooled?
What is they move slower and come closer together
The smallest piece of an element is called a(n) ___________________
What is atom
Sulfur smells like rotten eggs is an example of
What is odor (Physical Property)
Funfetti cake batter in a bowl
What is physical change
Water (H2O) is an example of a(n) ____________________________ because it is composed of two different elements.
What is a compound
Which of the following is a physical change?
A. An Apple Rotting
B. Milk going Sour
C. Slicing a piece of bread
D. Baking soda and Vinegar reacting.
C- Slicing a piece of bread
___________ is 2 or more substances that are together but not chemically bonded
What is a mixture
Luster is an example of a ____________________________
What is Physical Property
The statue of liberty's copper oxidizing.
What is chemical change
A chocolate chip cookie is a(n) ____________________________ mixture because its parts are not evenly mixed.
What is heterogenous
How can scientists tell different substances apart if they look similar?
scientists can investigate matter by measuring and observing its physical properties.
___________ is a single kind of matter that always has a specific makeup or composition
What is a substance
Sodium reacts violently with water.
What is a chemical property (Reactivity)
Your grandma bakes chocolate chip muffins.
What is a chemical change
Carbon is an example of an..
What is element
Give an example of a homogenous and heterogenous mixture in your daily life
Answers may vary
__________ is substances that are made up of only one type of atom.
What is element
How is a physical property different from a chemical property? Explain using one complete sentence.
A physical property can be observed or measured without changing the chemical identity of a substance, whereas a chemical property can only be observed by changing the substance's identity through a chemical reaction
Explain the difference between a physical change and a physical property.
A physical property is a characteristic of a substance that can be observed or measured without changing the chemical identity of that substance. A physical change is a process that alters the appearance, shape, state, or size of a substance without changing its internal chemical composition or molecular identity
OO OO
OO OO
KEY: O = Hydrogen Atom
What is this diagram showing?
What is an element
You crumple a piece of paper into a ball, then you light it on fire. What are the chemical and physical changes? Why?
Burn- Chemical