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?

Biomes of Earth

Watch the video to answer the questions below

http://www.youtube.com/watch?v=GpbDsUlHmSE&feature=related

A biome is a large geographic region with specific vegetation, animals, and climate.

1. Write the five biomes mentioned on the video.

2. There are two types of forest, which ones are those?

3. What can be considered an aquatic biome? Mention examples of aquatic biomes.

4. Mention a characteristic of the desert.

5. Savanna and Prairie are examples of Grassland Biome. Mention animals that are typical of the savanna.

6. Which is the coldest biome on Earth?

The Digestive System

Watch the video then answer the questions below.

http://www.youtube.com/watch?v=A7jKCfx-0Mo&feature=related

1. It is the first step in digestion.
2. It connects the mouth with the stomach.
3. Where, during the digestion, is that nutrients are absorbed?

An Amazing Migration

Click on the link to watch the video, then answer the questions below.

http://www.youtube.com/watch?v=MWT51807cyM&feature=related

Monarch Butterflies are the only butterflies that migrate for very long distances like some birds do.

1-What do monarch butterflies use as a fuel for their migration and over winter?
2-Approximately, how long is the journey monarch butterflies do from North America to Central Mexico?
3-What do monarch butterflies use as a protection from wind, snow, or rain?
4-Which month do butterflies fly back to North?

Animals Adaptations

Animals have different Adaptations that help them to survive in different environments. Watch the video, then answer the following questions.

http://www.youtube.com/watch?v=fRX2JtKFUzk

1- Why do camels have an extraline eyelashes and deep eyebrows?
2- Mention one of the girrafes' adaptations.
3- How do pinguins keep themselves warm?

I hope you enjoy the video. Have a nice weekend!!!

Pollination of flowering plants.

Watch the video then answer the questions below.

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

1.Female part of the plants is called ______________
2.What is the difference between self-pollination and cross-pollination?
3.Mention at least two ways in which the pollen is moved from flower to flower.

Parts of a Plant Cell

WELCOME TO THE 4TH GRADE BLOG OF SCIENCE. HERE WE WILL REINFORCE WHAT IT HAS BEEN SEEN IN CLASS OR ADD NEW TOPICS FOR CONVERSATION AT CLASS. I HOPE YOU ENJOY IT!!!

Click on the link below. Then answer the questions by writing a commment at the bottom of this page.

http://www.youtube.com/watch?v=uohe2V4yOzE&feature=related 

  

     1.Vacuole is like a balloon full of water. What is its function?

     2. Which part of the plant cell makes the plant able to manufacture their own food through photosyntesis.

     3. Mention what the photosynthesis requires to make food for the plant. (3 items)       

e   4.Chloroplast produces GLUCOSE which is the main food for the plant, but it also produces…