Math Lesson: Ratio

This week, the class started on the new topic: Ratio.
The following video teaches us 3 word problems involving ratio.
http://www.youtube.com/watch?v=IdsYMtp6DuI

Have a great weekend!

Composition Topic on Hissing Sounds

Research for composition:
Defination of Hiss:
http://en.wikipedia.org/wiki/Hiss

Besides snake, what animals hiss too?
Read about Hissing Cockroach.
http://en.wikipedia.org/wiki/Hiss

Hear samples of hissing sounds.
http://www.soundsnap.com/tags/hissing

For this composition, writing about sighting of a snake and then bitten by a snake is common.
Here is some information on snake bite:
http://en.wikipedia.org/wiki/Snakebite
(Information and photos of victim's bitten leg)

http://www.nlm.nih.gov/medlineplus/ency/article/000031.htm
(medical symptoms and first aid after bitten by a snake)

http://www.youtube.com/watch?v=EpcDZbXslfw&hl=en-GB&gl=SG
(real life scenario of lady bitten by a snake)

http://www.youtube.com/watch?v=4WvnjCkLbvY
(Snake venom was extracted and added to blood; see what happens.)

http://www.youtube.com/watch?v=_5dtpMj9Ehs
(Cobra vs Lion: in the wild)

http://firstaid.webmd.com/snakebite-treatment
(Snake bite treatment)

http://www.instructables.com/id/Snake-Care-non-venomous/step9/SNAKE-BITES-non-venomous/
(Bitten by non-venomous snake)

http://video.nationalgeographic.com/video/kids/animals-pets-kids/reptiles-kids/adder-peringueys-kids/
(Side winding snake)

http://www.sciencekids.co.nz/sciencefacts/animals/snake.html
(Facts on snakes)

English Grammar Online Lessons

Dear boys and girls,
We have learnt the Conditional Tenses (If...) in Term 1.
Here is a quick revision on 1st and 2nd Conditional Tenses.
In Term 2, we learnt 3rd Conditional Tense in Unit 5.
Follow the links below to revise what we have learnt in class. Have fun!

3rd Conditional Tense 
(about impossible situations: they were in the past and we cannot change what has happened)
Example: If I had worked harder for the test, I would have gotten better results.
(Sentence Structure: If... had + past participle, ...would have + past participle...)
http://englishgrammarsecrets.com/thirdconditional/menu.php
Read the notes and do Exercises 2, 3, 4, 5.
Note: in Ex 3, write 'hadn't' for 'had not'.

1st Conditional Tense (about future situations)
Situation: (If..., ) + Action (... will...)
http://englishgrammarsecrets.com/firstconditional/menu.php
There are 4 exercises that follow the notes. Do try them.

2nd Conditional Tense (is about impossible situations)
Example 1: If I were a bird, I would soar into the air.
Exampe 2: If I had millions dollars, I would give a lot of money to charity.
http://englishgrammarsecrets.com/secondconditional/menu.php
Read the notes and do Exercises 1, 4, 5 and 6.

Area of Triangles

Here is a video on lesson to learn the Area of Triangles:
1) http://www.mathplayground.com/howto_area_triangle.html

Games on Area of Triangles:
1) http://www.factmonster.com/math/knowledgebox/player.html?movie=sfw41510

2) http://www.mangahigh.com/en/maths_games/shape/length_area_and_volume/area_of_a_triangle?localeset=en

More videos on lessons to learn the Area of Triangles: 

1) http://www.youtube.com/watch?v=GWbs4BJt4G0

2) http://www.youtube.com/watch?v=pO0akNdQlnI

3) http://www.youtube.com/watch?v=G_1zNkKtN04

4) http://www.youtube.com/watch?v=JELi4P7HDQU&feature=fvwp&NR=1

5) http://www.youtube.com/watch?NR=1&v=jciK_KJ1HIc&feature=endscreen

Stellar Unit 5: Space Junk

The Space Junk is an interesting subject in the topic: Space Exploration.
During lessons, we have learnt many new and exciting information on the topic.

Here are some interesting video links:
1) These are some short videos on Space Junk.
http://www.youtube.com/watch?v=NlU7eiYLbWI
http://www.youtube.com/watch?v=6Fy7psIuJjc (Space Junk Song)

2) Here is another interesting video on Astronaut Food.
http://www.youtube.com/watch?v=Rb8fKWBAUCM

3) Find out more about an Astronaut Suit by watching the link below.
http://www.youtube.com/watch?v=zj-0gPZuSqk&playnext=1&list=PL17DE31E1B56E2E3F&feature=results_main

4) Watch this for some scientific information on the Black Hole.
http://www.youtube.com/watch?v=3pAnRKD4raY

5) Here is a funny video on "Black Hole" (just for laugh)
http://www.youtube.com/watch?v=P5_Msrdg3Hk
(Have a hilarious weekend!)