The form of the matter changes, but still the same material can often be reserved
*ex. ice melting, slicing a carrot, frost on a windshield
What is... physical change.
100
How rough or smooth the surface of an object is
What is texture?
100
The amount of matter in an object (measured in grams and ounces)
What is mass?
100
Everything and anything that takes up space (volume) and has mass
What is matter?
200
Molecules vibrate and move freely past one another
ex. water vapor/steam
What is a gas?
200
Slicing a carrot.
What is a physical change.
200
Some, but not all, light passes through (paper and milk)
What is translucent?
200
The amount of space it takes up (measured in liters or quarts).
What is volume?
200
How could you prove that matter is made of particles that are too small to be seen?
What is blow up a balloon?
300
Molecules vibrate, but generally do not move from place to place
What is a solid?
300
The molecules of the matter changes. A new material is formed. Impossible or very difficult to reverse.
*ex. rust, rotting tomato, fireworks, green penny
What is a chemical change?
300
The measure of how tightly packed particles are
What is density?
300
The force that keeps you on the ground and that causes objects to fall
What is gravity?
300
a physical combination of two or more substances that retain their own properties and can be separated. you can see different substances (ex. trail mix)
What is a mixture?
400
Molecules vibrate, move about, and slide past one another
What is liquid?
400
Rotting tomator
What is a chemical change?
400
no light passes through
What is opaque?
400
mass/volume
What is density?
400
a liquid mixture whose parts are evenly blended (ex. lemonade
What is a solution?
500
Name five gases?
What is water vapor, helium, etc.
500
Frost on a windshield.
What is a physical change?
500
the amount of solid that will dissolve: used to separate substances like sand and salt
What is solubility?
500
Depends on gravity: less on the moon than on earth.
What is weight?
500
The amount of solid that will dissolve: used to separate substances like sand and salt.