Vocabulary
A variable that stays the same
Constant variable
Is a melted popsicle an example of a physical change?
yes
Is rust an example of a chemical change?
yes
What is DV
The variable that you observe
You use these to help you identify the physical properties.
YOUR SENSES
These are the characterstics of an object and you use your senses to identify them.
physical properties
Is a fire a chemical change?
Yes, it produces heat.
Name two indicators of a chemical change.
color change, bubbles, temperature change, new smell etc
Name the 3 types of matter.
SOLID, LIQUID, GAS
Name 2 physical properties of ice.
cold, hard, solid, wet, etc
Type of change where a new substance is created.
chemical change
Which physical property being described in the following statement: Water is a liquid at room temperature.
State
Name a food that is an example of a chemical change?
cake, eggs
What is a hypothesis
an educated guess
Name 2 physical properties of water.
liquid, wet, odorless
A type of change where the substance stays the same, but size and shape may change.
physical change
Explain how water could be an example of a physical change.
Freezing and melting water to and from ice.
Is chemical change reversible or irreversible?
often irreversible
Provide 2 safety considerations for a chemical reaction experiment
Safety glasses, gloves, hair tied, lab coat etc
Is flammability a physical or chemical property?
chemical
This is a variable that you change.
Independent variable
Is physical change reversible or irreversible?
often reversible
What is ripping paper an example of?
Physical change
Identify 1 example of a solid, liquid, and gas.
desk, book; Liquid- water, lemonade; Gas- helium, air
Provide a chemical property
flammability, toxicity, solubility, heat from combustion, radioactivity, types of chemical bonds formed, coordination number, oxidization states, and acidity or basicity.