1. Science Embryology: Lesson 1, Day 1: Four Primary Needs: Heat, Incubators

2. How do you know if something is living? What do all living things have in common?

3. All living things, also called organisms, carry out five basic life functions on their own.

4. What are the basic needs of all living things? food water oxygen protection from the environment

5. The BIG Question: What are the four primary needs of a chicken embryo?

7. Different Types of Cells

8. Heat makes the cells grow and multiply into more cells.

11. The BIG Question: What are some important facts about incubators?

12. Before After: An incubator keeps eggs safe and warm until the chicks hatch. Farmers use incubators so the hen has time to rest. The first incubators were made by the Ancient Greeks. Early incubators used fire to keep the eggs warm. Some incubators can hold 100,000 eggs at one time. Chicken farms called hatcheries use hens to produce many chickens. What are some important facts about incubators?

14. Incubators at large hatcheries can hold 100,000 eggs at one time!

15. hatch 1 2 3 T F T F T

16. Sum it up! What are some important facts about incubators?

17. Before After: An incubator keeps eggs safe and warm until the chicks hatch. Farmers use incubators so the hen has time to rest. The first incubators were made by the Ancient Greeks. Early incubators used fire to keep the eggs warm. Some incubators can hold 100,000 eggs at one time. Chicken farms called hatcheries use hens to produce many chickens. What are some important facts about incubators? T F can lay more eggs F Egyptians T T F incubators