Reproductive System

Here you have some interesting links about the human reproduction:

• http://www.eschooltoday.com/human-reproduction/reproduction-for-children.html

• http://kidshealth.org/parent/general/body_basics/female_reproductive_system.html

Here you can see how a baby develops during pregnancy:

• http://www.dnatube.com/video/8707/All-Weeks-of-Pregnancy-in-HD
• https://www.youtube.com/watch?v=h82ltr84_Yg

Do you want to see an animated birth? Click here: 

http://www.pregnancyatoz.org/Resource-Center/Media-Room/Animated-Birth

UNIT 4 (English 6th grade)

In unit 4 the main grammar tense is the PRESENT PERFECT CONTINUOUS (also known as Present Perfect Progressive).

Here you have some online exercises for practising:

• http://learnenglishkids.britishcouncil.org/en/taxonomy/term/2078/all
• http://first-english.org/english_learning/english_tenses/past_perfect_progressive/05_past_perfect_continuous.htm
• http://www.perfect-english-grammar.com/present-perfect-continuous-exercise-1.html
• http://www.really-learn-english.com/present-perfect-progressive-exercises.html

And a game here:

http://www.eslgamesworld.com/members/games/grammar/perfectpast/New/present%20perfect%20continuous.html

UNIT 4 (English 5th grade)

In unit 4 the main grammar is the PAST CONTINUOUS. We have also revised the PAST SIMPLE. Remember we use the Past continuous to talk about actions in the past that are interrumpted by other actions.

Next you can find some useful links to practise for the test. These are web sites with online exercises:

• http://learnenglish.britishcouncil.org/es/english-grammar/verbs/past-tense/past-continuous
• http://www.perfect-english-grammar.com/past-continuous-exercise-1.html
• http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive.htm
• http://www.myenglishpages.com/site_php_files/grammar-exercise-past-progressive.php#.VISfAuN5Ny4

And here you have a game:

http://www.eslgamesworld.com/members/games/grammar/perfectpast/past%20progressive%20vs.%20past%20simple%20betting.html