Science: Videos

3rd A 
You should watch all three videos.
For the first (Circulatory System) you already have the questions.
For the Animal Videos, copy or print and paste the questions, watch the videos, and answer.

3rd B 
You should only watcch the Animal Videos.

Click on the name of the video to go to the link in Youtube.

Circulatory System Video


Vertebrate Animals

Video: Vertebrate Animals

1. We can classify animals in various ways depending on the __________________ we look at.

2. Vertebrate animals have bones or a ____________________.

4. Invertebrate animals don’t have _____________________.

5. Vertebrate animals’ bodies are divided into ___________________, _________________, and __________________.  

6. Vertebrate are classified into five groups: _____________________, _____________________, _______________________, _____________________, and mammals. 


 Invertebrate Animals

Video: Invertebrate Animals

1. All the invertebrate animals are _____________________.  

2. We classify invertebrate animals in _________ big groups: _____________, jellyfish, ______________, corals, _________________, __________________, echinoderms, and arthropods.

4. Worms move by _____________________ their bodies.

5. Mollusks have soft bodies and some protect their bodies with ___________________.

6. A starfish is in the group of the _______________________.

7. The arthropods are the most ______________________ animals on the Earth.