Moon Phases

Watch the video, then answer the following questions.

http://www.youtube.com/watch?v=nXseTWTZlks

1. How often the moon phases repeat?

2. Mention the four main phases of the moon.

3. How much time does it take to the mooon to change from one phase to another?

4. How do we call to the process in which the moon seems to be getting smaller?

5. When is the best time to observe the moon, and why?

Science Fair Blog

Hi students! 

As you know, next April we are having the Science Fair 2012.

This year the fair's theme is going to be about HOW THINGS ARE MADE.

http://americanosf.blogspot.com/  This is the link where you have to go to choose your topic.

You will find that the topics are classified by grades.

You and your team's members have to select a topic, then you will have to write a comment on the Science Fair's Blog mentioning the topic you choosed and the members of your team. 

Once you have done that, no one else would be able to choose that topic. 

Check the previous comments on the blog to verify nobody has already selected your topic. 

Topics cannot be repeated. 

Water Cycle

The following links will help you to review everything about the water cycle.

Have a nice weekend!
http://www.cookie.com/kids/games/water-cycle.html
http://www.youtube.com/watch?v=vNIPBfKbec8

Erosional Landforms

The following video show you how erosion can change landforms on Earth. 

Watch it, then answer the questions below. 

*You can read the transcription of the audio, it is below the video.

http://video.about.com/geology/What-Is-an-Erosional-Landform-.htm
 

1. What is erosion?

2. Which agents produce erosion?

3. Describe what happens in a bay, that makes it an excellent example of an erosional landform?

The Rock Cycle

In this website you will find a variety of interactive activities that will help you to review everything about types of rocks and the processes that change them.
I hope you enjoy it.
http://www.learner.org/interactives/rockcycle/

Have a great weeneknd! :)

Food Webs

Click on the link below.

Click on the CC bottom to watch the caption or the text of the video.

http://www.harcourtschool.com/activity/science_up_close/414/deploy/interface.html 

In a sheet of paper, make a food web of the Antartic Ocean including all the animals mentioned on a video.

Producers & Consumers

Watch the video the answer the questions below.

http://www.youtube.com/watch?v=qUZkWZ12A8s

1. Define what a producer is.

2.  Mention at least 3 examples of primary consumers. (Not mentioned on the video)

3. How are called the consumers that eat tertiary consumers?

4. In a food chain, where the producer is grass and the primary consumer is a deer, what might be a secondary consumer?