Leyes Kirchhoff. Videos resolución circuitos por método de mallas y método de nodos.
* Exemples de problemes de circuits resolts pel métode de malles i métode de
nodes de Kirchhoff:
Paola, Marta. Math classes July, 4ESO August 2018. Homework.
27th July Friday class.
- I remind you that these are the 5 exercises you have to do for the next class on 31st July Tuesday :
I also post the results here for you to check if you get them or not.
( Let me know if you have any problem and write me then, have a nice weekend) .
- Simplify the following algebraic fractions :
- Rationalize the denominator :
- If you have extra time you could try to do the following one in order to remember how to expand a product :
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31st July Tuesday class.
Paola, Marta, at the following link you can look up, for the upcoming time, a bunch of exercises, just the kind of level you need, about simplifying, extanding, all kind of equations to solve, roots, logarithms, etc. If you have enough time, simply check this link and try to review some of the exercises starting at the bottom of the page and going to the top. You will find all sort of exercises, whose level is about the one you need to work. They are solved and provided with given solutions and explained step by step. If you have any problem just let me know it, anyway we will be working them out as we go furhter within the next lessons.
- Homeworks corrections and solutions for the next class on thursday :
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2nd August Thursday class.
Part 1 : Reviewing quadratic functions and parabolas.
Link : Website to draw parabolas.
- The following videos will help you to understand how to transform a quadratic parabola function form in vertex from (video 1) , how to find the vertex of a parabola ( video 2 ) , how to find the equation of a parábola by completing the square ( video 3 ) and how to find the x and y intercept of a quadratic equation ( video 4 ) :
- To the following link you can find a website with a lot of logarithm equations solved, well explained and with a related YouTube video explained how to work them out step by step :
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- Exemples done today in class about parabolas domain, range, x-intercepts, axis of symmetry and vertex .
1- Here you have, but corrected now, the exercise I did wrong : Correction.
2- Homework to do for the next class on 7th Tuesday :
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7th August Tuesday class.
- For what values of "b" will the following equation have no solution: check and review
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9th August Thursday class.
- Before checking the homework Im gonna post several videos for you to review main issues about absolute value equations and they related to absolute value inequations and graphing them :
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14th August Tuesday class.
This homework1 is the one we did this morning in class. Its been posted here
only to help you remember the steps to be followed to achieve the problem.
- Homework 2 solved. ( Piecewise function ).
- Homework 3 solved. ( Piecewise function ).
- Homework 4 solved. ( Piecewise function ).
- Homework 5 solved. ( Exponential equations ).
- Homework 6 solved. ( Inequations system drawing and range ).
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16th August Thursday class.
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7th GRADE SCIENCE : Article 47 : Cell's structures and organelles.
KPREP WEEK TEST from 5-14-18 Monday to 5-17-18 Thursday.
( KPREP working periods assignments )
* Activity 4.24a : Main information about Cell Wall and Cell Membrane, differences
and importance.
4.24.a Write or copy on a piece of paper the following main information and
contents about cell wall and cell membrane and its usefulness :
* Activity 4.24b : Cell's structure, check the information provided at the video and
make your drawing indicating the most important organelles :
4.24.b Cell's structure video :
* Activity 4.24c : Cell reproduction. Watch the following videos about the different
phases within cell reproduction and write a summarize :
4.24.c Cell reproduction phases :
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( 5/21/18 Monday )
* Activity 4.25 : Specifying cells structures and its functions.
4.25.a Cells structures. Check the images and pics given and fill out the table
( 10 points ).
4.25.b Match the main cell concepts at the pages front with the proper
descriptions at the back :
4.25.c Use the following pages from the science book provided by your
teacher
and look up and for the proper answer to the 3 suggested
questions (on
right side at the middle of the page 1 ) about cell and
main cells
structures and organelles
:
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( 5/15/18 Tuesday )
* Activity 4.25 : Under construction.
4.25.a Under construction :
( 10 points ).
7th GRADE SCIENCE : Article 46 : Forest maintenance. Lesson review. Reproduction.
( 5/7/18 Monday )
* Activity 4.19 : Forest maintenance. Importance of forests for the communities.
4.19.a Read this text about the main elements must be kept under close
watch in order to enjoy the use of a sustainable forest management.
Once youve read the text, answer the suggested questions :
( 10 points ).
4.19.b Place the labels at the proper spot in the following ecosystem outline,
in which you describe the most important processes involved :
Paperwork : Ecosystems elements outline.
Solution : Ecosystems elements outline
( 10 points ).
4.19.c Word search Invasive species :
( 10 points ).
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( 5/8/18 Tuesday )
* Activity 4.20 : Ecosystem Test, ecosystems processes and VIP environment
people report.
4.20.a Complete the outlines gaps about Ecosystems processes flowing
using the descriptions at the papers back :
( 10 points ).
4.20.b Answer the multiple choice questions about the most important
you have learned theses weeks about Ecosystems :
( 10 points ).
4.20.c You have been provided of a science environment book. Go to the
page number 84 or 86 ( depending of the edition book you receive )
and on the given paper write a report indicating the two most
important issues these people did for the environment and
environmental science. Dont forget to write these peoples names :
( 10 points ).
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( 5/9/18 Wednesday )
LESSON 5 :
- Growth, development and
reproduction of organisms.
* Activity 4.21 : Reproduction and organisms.
4.21.a Warm up reviewing activity :
In order to review the already studied lesson, build this poster :
Use the material given by your teacher to build a poster like this in
order to show how a trophic level or trophic pyramid or stair is
organized within an ecosystem and can be used to show the way
energy flows from certain organisms to others :
POSTER EXAMPLE
( 20 points ).
( 10 points ).
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( 5/10/18 Thursday )
* Activity 4.22 : Kind of cells and intruduction to its main structures.
4.22.a Copy this drawing about plant and animal cells and check the
main differences :
( 10 points ).
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( 5/11/18 Friday )
* Activity 4.23 : Specifying cells structures and its functions.
4.23.b Write this information about the main structures cells have inside and
its principal functions from the whiteboard :
4.23.c Match the proper descriptions at the drawings with the main structures
names
:
7th GRADE SCIENCE : Article 45 : Biosphere, Biome and ecosystems.
( 4/30/18 Monday )
* Activity 4.14 : Nitrogen fixation. What a Biome is, difference between Ecosystem
and Biome. Whiteboard about nitrogen-poor soil.
4.14.a Read the text about how nitrogen is fixed by bacteria and how it is
used by organisms within the ecosystem later. Answer the questions :
( 10 points ).
4.14.b Match properly the following concepts with the descriptions given
at the right column (Ecosystem vocabulary) :
( 10 points ).
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( 5/ 1 /18 Tuesday )
* Activity 4.15 : Levels of organization reading. Decay ( Tree-trunk decay example ).
4.15.a Biome concept reviewing. Activity comparing it against ecosystem :
( 10 points ).
4.15.b Biome concept reviewing :
( 10 points ).
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( 5/2/18 Wednesday )
* Activity 4.16 : Decay importance in ecosystems and reviewing about Biomes :
4.16.a Look up the sentences given and try to match them with the endings
that are suggested at the papers back :
( 10 points ).
4.16.b Levels of organization within the Biosphere, match drawings and
descriptions at the back :
( 10 points ).
4.16.c Distinguish ecosystem from Biome concept writing the following :
( 10 points ).
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( 5/3/18 Thursday )
* Activity 4.17 : Biospheres organization.
4.17.a Read the text and learn clearly the way Biosphere can be organized.
Later answer the suggested questions and get advantage from the
information given in order to achieve the next 4.15.c activity :
( 10 points ).
4.17.b Biome and ecosystem difference pic to copy :
Copy this pic on the blank paper given to you in order to clarify
the difference between these two important concepts within natural
world : BIOME and ECOSYSTEM.
( 10 points ).
4.17.c Build a proper food chain with the animals given, follow the
example given at the papers back :
( 10 points ).
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( 5/4/18 Friday )
* Activity 4.18 : Kentuckys ecosystems. Forest.
4.18.a Read the following text about the main Kentuckys forests facts and
answer the suggested questions later .
( 10 points ).
4.18.b Copy the writing from the whiteboard about remembering how
energy flow within ecosystems throughout organisms :
Remembering energy flowing : Whiteboard to copy about flowing energy within ecosystems.
( 10 points ).
4.18.c Copy the following statement from the whiteboard about Kentuckys
forests :
( 10 points ).
7th GRADE SCIENCE : Article 44 : Carbon, nitrogen and water cycles in ecosystems.
( 4/23/18 Monday )
* Activity 4.9 : Water cycle review and carbon and nitrogen cycles introduction.
4.9.a Warm up activity about reviewing water cycle :
( 10 points ).
( 10 points ).
( 4/24/18 Tuesday )
* Activity 4.10 : Nitrogen cycle and features, and also carbon and oxygen cycles.
4.10.a Fill out this reviewing water cycle outline and do the little
multiple choice test at the back :
( 10 points ).
4.10.b Fill out the texts gaps with the given words about nitrogen and
oxygen and carbon cycles :
( 10 points ).
- Special Reading for today , Earth day : Earth day reading.
( 10 points ).
( 4/25/18 Wednesday )
* Activity 4.11 : Nitrogen, carbon and oxygen compunds importance in ecosystems.
4.11.a Copy the following text about reviewing carbon and oxygen cycles :
( 20 points ).
( 4/26/18 Thursday )
* Activity 4.12 : Food and proteins, nitrogen compunds.
( 10 points ).
( 4/27/18 Friday )
* Activity 4.13 : Showing trophic levels and levels of organization, and also energy
flowing in ecosystems.
4.13.a At the following link you can check and review the trophic levels and
primary, secondary, tertiary consumers, etc.
Match the labels and trophic levels with the proper place at the
drawing :
( 10 points ).
4.13.b At the following link you can check the different levels of organization
within an ecosystem. Use this information to match the proper
description with each gap at the drawing outline :
( 10 points ).
4.13.c Drawing to copy about ecosystem reviewing :
( 10 points ).
7th GRADE SCIENCE : Article 43 : Ecosystems' energies, and water, nitrogen and carbon cycles.
( 4/16/18 Monday )
* Activity 4.4 : Chain food within ecosystems.
4.4.a Read this interesting text about energy Ecosystems organization
according to the chain food present and answer the suggested questions:
( 10 points ).
4.4.b Copy the following information about energy flow and trophic levels at
an ecosystem :
( 10 points ).
( 4/17/18 Tuesday )
* Activity 4.5 : Chain food cartoons.
4.5.a Choose your favorite 4 chain food cartoons and build and design your own
one.
- Food chain cartoons to check :
4.5.b Write down the following interesting notes about abiotic factors related
to ecosystems :
( 10 points ).
( 4/18/18 Wednesday )
* Activity 4.6 : Organisms energy role and position within the chain food pyramid.
4.6.a Warm up activity, copy and draw the following trophic level energy
pyramid :
( 10 points ).
( 10 points ).
( 10 points ).
( 4/19/18 Thursday )
* Activity 4.7 : Ecosystems vocabulary and energy roles.
4.7.a Warm up activity related to ecosystem about water cycle importance
:
( 10 points ).
( 10 points ).
4.7.c Copy the following interesting text about water cycle from your
classrooms whiteboard :
( 10 points ).
( 4/20/18 Friday )
* Activity 4.8 : Ecosystems reviewing.
4.8.a Word search about ecosystems vocabulary
:
( 10 points ).
( 10 points ).
( 10 points ).
7th GRADE SCIENCE : Article 42 : Energy and matter in organisms and ecosystems.
( 4/9/18 Monday )
* Activity 4.1 : Training science writing preparing test in May.
LESSON 4 :
Matter and energy in organisms
and ecosystems.
Directions and rules your writing has to accomplish in order to achieve it properly.
Choose one subject among the four ones offered about science and write a text
about it following the given directions at the paper given.
( 10 points ).
( 4/10/18 Tuesday )
* Activity 4.2 : Conservation of matter and energy in organisms and ecosystems.
4.2.a Watch this video about Ecosystems and achieve following activities :
Lavoisiers law is also acomplished when energy flows throughout ecosystems and organisms.
( 10 points ).
( 4/11/18 Wednesday )
* Activity : LEGENDS BASEBALL GAME.
Legends baseball game.
( 4/12/18 Thursday )
* Activity 4.3 : Energy flowing within a ecosystem.
4.3.a Complete this activity about food chain in an ecosystem :
( 10 points ).
( 4/13/18 Friday )
* Activity : No classes today. Teachers strike.