miércoles, 9 de marzo de 2011

Video Questions, Continued

Video 2:  Ovulation

1.  Where to the cilia transport the egg to?

2.  How long will an egg live for?


Video 3:  Veamos Como Es La Fecundación

1.  According to the video representation, would you say that the amount of sperm should be measured in hundreds, thousands or millions?

2.  Only one sperm successfully enters the egg in the video, what happens to it upon entering the egg?  Which do you suppose contains the sperm's DNA, the tail or the head?

Video 4:  Fetal Growth

1.  How can you make a distinction between an embryo and a fetus

2.  How long is typical human gestation?

3.  Describe how the sex of a baby is determined (hint:  the egg always carries an X chromosome)

Video Questions

Hello again, class!  Here are the questions to the videos found on track #423842.  You can use the closed captions feature (the "CC" button) on videos 2 and 4 to help you.  And remember to post your responses in a blog response here, enjoy!

Video 1:  Male and Female Puberty
Site Location: http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/reproduction/activity.shtml
Before watching the video, please consider the following questions with your group of 3-4 people:

1. At what age did you first notice any changes in your body?
2. Who undergoes adolescent changes first, girls or boys?
3. Why do all these changes happen?

Watch the video and check your answers.  Also, start looking for physical changes that the body undergoes.  Write three of these changes for both a male body and a female body in English.
 

lunes, 7 de marzo de 2011

Introductory Comments

Hello class, and welcome to your new blog!  Here you will publicly post your personal responses to the videos and questions found in the following Trackstar web page.

Go to the track created for this unit at http://trackstar.4teachers.org/trackstar/ts/viewTrack.do?number=423842 .  The track number is 423842 in case you have problems.  Remember to post your public reponses HERE after considering the videos.  The questions will be posted here in the next blog entry, and also posted on Trackstar.

Also, this is your personal workspace to post related comments, links, or videos that your classmates may find enriching.  Enjoy!

- José Luís Leal Roldán, Natalie Cruttenden, and Adam Keith Hodge