Heat and Light

Here you have some videos about what we have studied in the classroom. 

First of all, rememeber there are the three different ways of heat transfer: CONDUCTION, CONVECTION and RADIATION. 

In this video you can see a couple of experiments that show how CONVECTION works: 

Apart from HEAT, we have also studied LIGHT. In this experiment we can check if different materials are opaque, translucent or transparent: 

And these are GAMES: 

• http://www.sciencekids.co.nz/gamesactivities/lightshadows.html
• http://www.sciencekids.co.nz/gamesactivities/lightdark.html
• http://www.sciencekids.co.nz/gamesactivities/statematerials.html
• http://www.sciencekids.co.nz/gamesactivities/keepingwarm.html
• http://www.sciencekids.co.nz/gamesactivities/meltingpoints.html

UNIT 9 - (6th grade)

The main grammar point in this unit is the THIRD CONDITIONAL. Let's review it with these videos:

 

 

 

 

Here you have some online exercises:

• http://www.perfect-english-grammar.com/third-conditional-exercise-1.html
• http://www.englishexercises.org/makeagame/viewgame.asp?id=3233
• https://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-3/exercises?02
• http://www.better-english.com/grammar/con31.htm
• http://www.englisch-hilfen.de/en/exercises/if_clauses/type_3_statements.htm

Apart from this, we have reviewed some MODAL VERBS.

We use HAVE TO / DON'T HAVE TO to talk about something that is necessary or unnecessary.
We use MUST / MUSTN'T to talk about rules.
We use SHOULD / SHOULDN'T / OUGHT TO / OUGHT NOT TO for advice.

You can practise with these exercises:

• http://www.examenglish.com/grammar/A2_ShouldOught.htm
• http://www.englisch-hilfen.de/en/exercises/tenses/have_to.htm
• http://www.englisch-hilfen.de/en/exercises/tenses/do_not_have_to.htm
• http://www.englishexercises.org/makeagame/viewgame.asp?id=8969
• http://www.perfect-english-grammar.com/modal-verbs-of-obligation-exercise-1.html

UNIT 9 - (5th grade)

In this unit we have reviewed some MODAL VERBS.

Remember we use MAY, MIGHT and COULD  to talk about present and futre possibilities.
We use WILL and WON'T to talk about future definites.

You can review these and other modal verbs HERE.

We use HAVE TO / DON'T HAVE TO to talk about something that is necessary. Remember this:

I / You / We / They	He / She / It
PRESENT
Have to	Has to
Don’t have to	Doesn’t have to
PAST
Had to
Didn’t have to

Now practise with these online exercises:

• http://www.englisch-hilfen.de/en/exercises/tenses/have_to.htm
• http://www.englisch-hilfen.de/en/exercises/tenses/do_not_have_to.htm
• http://www.englishexercises.org/makeagame/viewgame.asp?id=8969
• http://english-zone.com/verbs/haveto1.html