During the first class we will review the Lab rules ...

you may wonder why? again!?... because even if we

won't have lab practices every week, you will be

having the Science class in the Labs, and these

are special classrooms that have extra risks for

students and the school in general, not  only

because they are built with a special structure,

but also because sometimes you will find

equipments and materials from other classes.

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So, let's get to review the main rules we will have, some apply during the lab practices and some of them during every single class.

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​1. Watch the VIDEO about Lab safety rules and write 5 rules that we must follow during Lab practices. Mention 1 o 2 rules that must be taken into account even if we are not having a lab practice:

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2. Open the presentation by clicking on the image and solve the activity using the picture in the last slide (Answer in your Notebook)

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​3. After you finish this first activity, review the names of some basic lab equipments we will be using during our practices (click on the flashcard to see the image and read its description). Choose 8 lab equipments, draw them in the notebook and write their names:

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Then, test your memory by answering this short test: (This activity is not in the notebook)

CODE: A0JME8

 

 

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Atoms make up everything we see, and many things we don't see too​, like air.

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In previous years we have studied the main

parts of the atom, how these contribute to the

characteristics of the element, and how it

interacts with other elements. Today we will

review the atom structure and will practice by

drawing and identifying the number of particles

in the atoms of different elements.

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Let's start by watching a video:

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Before we start solving the activities, open the introductory presentation and take notes in your notebook. Make sure you write the basic info of each kind of particle (name, charge, where is it located), as well as the definition of atomic number, atomic mass and shells:

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Classwork - Atom structure

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1. Go to this website and launch the simulation from the first window that appears in the site: (write one conclusion in your notebook)

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PBS LEARNING​

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2. Use the information from these two links about the periodic table to complete this for the first 5 elements :

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Element:

Symbol:

# P:

# e-:

# N:

Atomic mass (A): #P + #N :

Drawing:

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For drawing the atom you need to know :

 

1) Choose a color for each type of particle and show it in the notebook before you start.

 

2) Draw protons and neutrons in the center (nucleus)

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3) Draw electrons in circles (shells) around the nucleus

in the first shell you can only draw 2 electrons (that is its maximum capacity), in the second shell you could draw up to 8 electrons if needed.​

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Note: Open Ptable to see the symbols of the first 5 atoms and the file to see the number of neutrons.

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