States of Matter
What are the three most common states of matter?
Solid, liquid, gas
What is a physical property?
A characteristic that can be observed without changing the substance
What is a physical change?
A change that doesn’t create a new substance
What is the smallest unit of matter?
An atom
What is the name of the snowman companion in Frozen?
Olaf
Which state of matter has a definite shape and volume?
Solid
Give one example of a physical property.
Color, mass, volume, density, melting point, etc.
What is a chemical change?
A change that creates a new substance
What is formed when two or more atoms bond together?
A molecule
What was the name of Aladdin's monkey?
Abu
What happens to the particles of a substance when it melts?
They move faster and spread farther apart
What is a chemical property?
The ability of a substance to undergo a chemical change
Is melting butter a physical or chemical change?
Physical change
What are the three main parts of an atom?
Protons, neutrons, and electrons
What does "Hakuna Matata" mean?
No worries
What is the process called when a gas turns directly into a solid?
Deposition
Give an example of a chemical property.
Flammability, reactivity, ability to rust, combustibility, etc.
Is rusting iron a physical or chemical change?
Chemical change
What is the center of an atom called?
The nucleus
Who is Percy Jackson's Father?
Poseidon, God the the sea
Explain how energy changes when a liquid becomes a gas.
Energy is absorbed by the particles, increasing their motion and overcoming attractions to become a gas
How can you tell a chemical change has occurred?
Production of gas, color change, temperature change, formation of a new substance
Explain why dissolving salt in water is a physical change.
Because the salt’s composition doesn’t change; it just breaks into smaller particles
What is the difference between an element and a compound?
An element has one type of atom; a compound has two or more elements chemically combined
Who is my dog named after?
Jayson Tatum