Matter & Physical Properties
This is the amount of matter in an object.
What is mass?
In this state, particles are tightly packed and only vibrate.
What is a solid?
The basic building block of matter.
What is an atom?
A combination of substances that are physically, not chemically, combined.
What is a mixture?
Cutting paper is this type of change.
What is a physical change?
A characteristic like color, shape, or size is called this type of property.
What is a physical property?
Heat always flows from a _____ object to a _____ object.
What is warmer to cooler?
A pure substance made of only one type of atom.
What is an element?
A mixture where one substance dissolves evenly into another.
What is a solution?
Burning wood or rusting metal are examples of this kind of change.
What is a chemical change?
The formula for density.
What is mass divided by volume?
Name the phase change from liquid to gas.
What is evaporation/boiling?
Two or more atoms chemically bonded together form this.
What is a molecule?
In salt water, salt is the _____ and water is the _____.
What is the solute and solvent?
The substances you start with in a chemical reaction.
What are the reactants?
What tool or method would you use to find the volume of an irregular solid?
What is water displacement?
This type of heat transfer happens through direct contact.
What is conduction?
In the formula CO₂, how many oxygen atoms are there?
What is 2?
A mixture that is uniform throughout is called this.
What is homogeneous?
When vinegar reacts with baking soda, bubbles form. What does this tell you?
A chemical reaction is happening (a gas is produced).
A cube measures 2 cm × 2 cm × 2 cm. What is its volume?
What is 8 cm³?
Describe the particle arrangement in a gas.
What is far apart and moving randomly at high speeds?
Elements in the same column on the periodic table share this in common.
What are similar chemical properties?
Give an example of a heterogeneous mixture.
What is sand and water, oil and water, etc.?
In the reaction: 2H₂ + O₂ → 2H₂O, how many hydrogen atoms are there on the reactant side?
4 hydrogen atoms.