What is matter?
Anything that takes up space and has mass.
What are the three main states of matter on Earth?
Solid, Liquid, and Gas
Describe a soccer ball with 3 properties.
round, spherical, bumpy, shiny, matte, bouncy, flexible, colored, large, small, etc.
A ______________ is something made up or two or more kinds of matter.
mixture
A tool that measures temperature is a _______________.
thermometer
What is mass?
The amount of matter in an object.
All matter has ________ and takes up _____.
Mass; Space
Give 5 examples of liquid matter.
many answers...
___________ tells how much thermal energy an object has.
Temperature
How does water vapor change when it cools?
The molecules lose thermal energy, slow down, and condense into liquid water.
What is a property?
Something you can observe with your senses.
What is a solid?
Matter whose atoms vibrate in place, and has its' own size and shape.
Describe the molecules in a liquid.
They are close together, but there is a little wiggle room. They are sometimes touching. They can slide past each other.
What are 3 temperature scales that we have learned about?
Celsius, Fahrenheit, and Kelvin
This type of change happens when the properties of a matter change, but it does not become a different substance. This type of change can be reversed.
physical change
When we talk about an objects' _________ we think about how something feels.
texture
What is a liquid?
Matter that has atoms that slip and slide past each other, does not have its' own size or shape and takes the shape of its container.
Describe the molecules in a solid.
They are tightly packed. There is almost no movement between them.
The amount of space matter takes up is its ______
volume
Which would be a physical change to matter?
a. flipping paper over
b. folding paper
c. moving paper
d. rotating paper
folding paper
List at least 5 properties of matter that we have discussed.
Weight, texture, temperature, sink or float, shape, size, color, energy, movement, etc.
What is a gas?
Matter that moves rapidly in all directions, does not have its' own size and shape, fills its container, and takes the shape of its container.
Describe the molecules in a gas.
They are as far apart as they can be. They rarely touch.
Tell me one unit of measurement that is used to describe the volume of a liquid.
milliliters, liters, decaliters, ounces, pints, quarts, gallons
This type of change happens when the properties of a matter change due to a chemical reaction and it does become a different substance. This type of change cannot be reversed.
chemical change