Vocabulary
Shapes raw materials into made goods
What is Casting and Molding
What are the elements in a molecule of ethanol?
H= Hydrogen
C= Carbon
O= Oxygen
H6C2O
What are the states of matter?
What are liquids, solids and gases?
Change in size, shape, form or state of matter that does not change the matter's identity is called a _____ change?
What is a physical change?
These classifications of elements most like conduct heat and electricity.
What are metals?
Example of Forming
What is a vase or a jar?
A material that contains two or more different substances.
Mixture
They have no definite shape, take the shape of its container, and have definite volume.
What are the properties of liquids?
changing from a solid to a liquid or gas is an example of what type of change?
What is physical?
Atoms are composed of protons, neutrons and electrons.
Protons have what kind of electrical charge?
negative. neutral. positive or magnetic
What is positive?
Putting pieces together temporarily or permanently
What is assembling?
A flame burns on the surface of a solid is an example of what kind of change?
What is a chemical change?
The amount of space something takes up.
What is volume?
Bubbling, Gas is produced, Odor changes, Color Changes, and heat is produced is a possible sign of what type of change?
What is a chemical change?
All of the following are examples of chemical changes EXCEPT:
burning wood
cooking an egg
tearing a piece of paper
a bicycle rusting
What is tearing a piece of paper?
Changes chemical and physical properties of a material using heat, pressure or chemical activity.
What is Conditioning?
What does this diagram represent?
What is a mixture?
Hardness, phase, color, texture, and melting point are examples of what property of matter?
What is physical?
Mixtures that are uniformly distributed throughout its volume and cannot be seen separately are called:?
Hint:
What is Homogenous?
A student makes a ball-and-stick model of a propane molecule, as shown below. The black balls represent carbon atoms, and the white balls represent hydrogen atoms.
Based on the model, what is the chemical formula of propane?
What is A. C3H8?
Adding paint of stain to a table to complete the product is called:
What is FINISHING?
How many DIFFERENT Elements are in this molecule?
What is 3?
Mass divided by volume is the formula for what physical property?
What is density?
Oxygen and nitrogen in air is an example of:?
What is a mixture?
How many protons are in this element?
What is 18?