a phase or state of matter in which a substance has a definite shape and volume.
What is a solid.
The process by which a liquid turns into a gas.
What is boiling point.
The smallest unit of matter that cannot be broken down by ordinary chemical reactions.
What is an atom?
The mass of a substance that fills one unit of volume
What is Density?
What term is used to identify a mixture that has the same composition throughout?
What is a solution?
A state of phase of matter in which a substance has no definite shape or volume.
What is a Gas.
The process by which a gas turns into a liquid.
What is condensation.
This element is the first on the periodic table and is the lightest element in the universe.
What is Hydrogen?
To make an educated guess about the outcome of an experiment.
What is a prediction or hypothesis?
Which term or phrase best describes what happens when a tomato rots?
What is a chemical change?
To change from a liquid to a gas at or below the boiling point.
What is evaporation.
An atom that exists naturally in Earth that serves as a building block of all matter.
What is an Element.
a characteristic of a substance that requires a chemcial reaction to observe.
What is a chemical Property?
A cup holds 125 grams of liquid water and 100 grams of ice. What is a reasonable mass for the water in the cup after the ice melts?
What is 225 grams?
What process occurs when a solid turn right into a gas?
What is sublimation.
What is freezing.
Two or more atoms connected by chemical bonds.
What is a molecule?
All the characteristic properties of a substance that can be measured or observed without changing the type of matter.
What is a physical property?
a group of stars that form a recognizable pattern or shape in the night sky.
Describe the molecules in a solid, liquid, and a gas. Draw a picture.
Solid-tight vibration
liquid- more spread out and in motion
gas- constant quick motion
What is melting point.
The arrangements of elements by characteristic properties
What is a periodic table?
What is the term for the amount of space something takes up?
Which type of change always occurs when substances combine chemically?
What is a change in properties?