Element Builder Gizmo answer Key Activity A

Name:AmaanDate:

Student Exploration: Element Builder

Directions: Follow the instructions to go through the simulation. Respond to the questions and

prompts in the orange boxes.

Vocabulary: atom, atomic number, electron, electron dot diagram, element, energy level, ion, isotope, mass

number, neutron, nucleus, periodic table, proton, radioactive, valence electrons

Prior Knowledge Questions (Do these BEFORE using the Gizmo.)

1.What are some of the different substances

that make up a pizza?

Pizza dough, tomato sauce, cheese, optional

toppings.

2.What substances make up water?Hydrogen, Oxygen.

3.What substances make up an iron pot?Iron

Elements are pure substances that are made up of one kind of atom. Pizza is not an element because it is a

mixture of many substances. Water is a pure substance, but it contains two kinds of atom: oxygen and

hydrogen. Iron is an element because it is composed of one kind of atom.

Gizmo Warm-up

Atoms are tiny particles of matter that are made up of three particles:

protons, neutrons, and electrons. The Element Builder Gizmo shows

an atom with a single proton. The proton is located in the center of the

atom, called the nucleus.

1.Use the arrow buttons () to add protons, neutrons, and electrons

to the atom. Press Play ().

A.Which particles are located

in the nucleus?

The neutrons

B.Which particles orbit around

the nucleus?

The electrons

C.Turn on Show element

name. What causes the

element name to change?

The number of protons

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In order to complete the Element Builder Lab, you must enroll as a student at

ExploreLearning.com (aka: GIZMOS) and then click on launch to run the simulation.

Please make sure to go slow and follow each step carefully!!!

STEP ONE:Go tohttp://www.explorelearning.com

STEP TWO:Click on the “Enroll in a class” buttonin the upper right hand corner

of the web page

STEP THREE:Type in the following class code: _MP5HVDLWMPor_RMNHV5PGJV

Click “Enroll in Class” and follow the directions on the site to complete your enrollment.

***IMPORTANT:Please use the following for your username/password:

Username:firstname.lastname

Password: enter the same password as you use for yourGOC email

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