1. Double Take

2. Prepare to enter the world of nonfiction!

3. What’s the difference?
Fiction Nonfiction

4. What’s the difference?
Fiction Nonfiction -Made up - real -stories -explanations and descriptions of things in the world -Structure: one event after another -Structure: things are explained, described, compared, contrasted -can explain causes and effect or problems and solutions

5. Nonfiction Nonfiction can also be STORIES! Nonfiction includes….
NARRATIVES
BIOGRAPHIES
TRUE STORIES about REAL PEOPLE

6. What do you think is easier to read?
Let’s VOTE
What do you think is easier to read?
FICTION or
NONFICTION

7. NONFICTION can be tricky.
TOO MANY unfamiliar words can be a problem when reading nonfiction texts.

8. But don’t worry!
Authors who are writing nonfiction texts for a general audience (that’s you) usually define those unfamiliar terms.
Sometimes an explanation
of the term will be written into the text. Other times you will infer the meaning.

9. Remember this?
Nature/Genetics Nurture/Environment
Combination
of both

10. Today’s article!
Read about how much of who we are is determined by our genetics and how much is determined by culture, environment, and our own choices. Stop at 1:25

11. Twin: siblings who share the same birthday Sibling: brother or sister

12. As you read… Identical Twins Fraternal Twins
Develop from ____________________________
They look very _____________
Always the same ______________
Have the ______________ genes from their parents
Have a _______% chance of developing the same illness
Develop from _______________________________
Can be the same or different ____________
More like regular ____________ than “twins”
Have _____________genes from their parents

13. As you read…
Identical Twins
Fraternal Twins

14. Check for Understanding
Why do scientists study twins?
What is DNA and how many chromosomes do people have. (Hint: How many sets are there?)
The University of Minnesota study also tracks “virtual twins.” What are these?
List two things scientists have learned from studying twins.

15. Homework 302
The University of Minnesota study also tracks “virtual twins.” What are these?

16. Homework 301
The University of Minnesota study also tracks “virtual twins.” What are these?
List two things scientists have learned from studying twins.
If you never sent that to Ms. Gelz about your favorite book…you received a circle.
Send it tonight….or else…
I responded to you have already sent it.

17. Be the scientist! Develop your own twin study!
Where would you have each twin live?
How long would they need to be separated?
What would you be studying?
How would you gather information?

18. Twin Study Example
I would place one twin in Chicago and one in a village in Africa where they do not have running water.
They would be separated from birth until age 14.
I would study how quickly they loose their baby teeth.
I would record the date each time one lost a tooth. I would see if the age your teeth come out is genetic or if your environment plays a role.

19. Key Words
identical twin
fraternal twin
chromosome

20. Homework 302, 303, 304 Finish the “Check for Understanding” questions.
Design your own twin study.

21. Homework 300, 301
Twins Separated at Birth Reveal Staggering Influence of Genetics: Read the article. List at least 3 findings about twins.