You Must Answer All of the Following Questions to Receive Extra Credit

YOU MUST ANSWER ALL OF THE FOLLOWING QUESTIONS TO RECEIVE EXTRA CREDIT

FOLLOW THE DIRECTIONS

THIS IS AN INTERACTIVE ON-LINE TUTORIAL

On the website CLICK Interactive Shockwave Physics

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Click Matter

Matter: / In this module we will learn the difference between atoms, ions, elements and molecules. We will explore what kinds of changes occur in matter. Here is where we learn about the structures and properties of the four states of matter, including plasma.

• Read the directions make sure you click this button at all times:

• These buttons MAY loose your place in the tutorial. Use them to go backward to review ONLY. . But you make inadvertently loose your place in the tutorial:

Click to begin: WAIT for the button to reappear. Be PATIENT!

1. How many atoms are there is your body? ______

1. Write the 6 goals of this lesson

______

1. What are atoms made of?

______

1. What happens when you click on the neutron?

______

1. The central part of an atom measures? ______

1. How many Fermi is their in one meter? ______

1. The electrons move rapidly around the nucleus in a region called the ______cloud.

1. How much larger is the radius of the cloud as compared to the radius of the nucleus? ______

1. Which part of the atoms weighs the least? ______

1. What is the size of the electron cloud? ______

1. How many angstroms are there in 1 meter? ______

1. How much charge do the neutrons have? ______

1. Why are the electrons and the protons of an atom attracted to one another? ______

1. If an atom has a net charge, what is it called? ______

1. Atoms with a given number of protons are called what? ______

1. How many elements have scientists discovered? ______

1. What is the relationship amongst helium, hydrogen, and lithium in terms of the number of protons?

H ______

He______

Li ______

1. What is an isotope? ______

1. How are the elements arranged? In the ______table of elements.

1. Are metals on the left side or the right side of the table? ______

1. Which column of the table are the noble gasses located? ______

1. What do the numbers in the periodic table tell us? ______

1. Elements typically join together with similar or different elements to form ______.

1. What determines why some elements choose to combine with other elements? ______

1. Instead of the electron cloud model, scientists sometimes refer to or use the ______model.

1. The lowest energy level near the nucleus holds ______electrons.

1. The next level can hold ______electrons.

1. The next level can hold ______electrons.

1. Draw a model of the H atom and the He atom

1. Draw a model of the O atom (Oxygen)

(HINT for the Carbon Question. Carbon has 6 electrons)

1. Why do H and O like to combine with eachother? ______

1. How many atoms of hydrogen are there in a Hydrogen molecule ______

1. Can you draw the water molecule according to the tutorial

1. How much of the planet does water cover? ______

1. What are the three main states of matter? ______

1. What is the name of the fourth phase of matter? ______

1. What is the best example of the 4th phase of matter? ______

1. {Fill-in} Plasma exists at ______temperatures where a ______can not exist. Colliding ______releases large amounts of ______.

1. What type of property is density? ______

1. Which ball had the greatest density ______

1. What is the density of water? ______

1. What is the formula for Density?

1. What is the density of Ice? ______Why does it float? ______

You have had enough!