Hello family and friends!
We have had such a fun week exploring our eggs and learning more about chickens! We just passed our one week mark on our egg incubation. That means we have about 2 weeks left until they hatch! We've been checking our incubator daily to make sure the temperature is correct and to make sure our water supply stays full (the incubator has to stay humid). The kids are getting more and more excited about our chicks as we learn more about them. We are getting asked daily if today will be the day that they hatch! We're making sure we keep up with our countdown calendar too...as of today we have 11 more days of waiting.
As we've been exploring our fertile eggs, we've also been talking about the fact that eggs come in a wide range of sizes and colors. We found some eggs of different sizes and compared them together in a large group setting. We looked at an ostrich, emu, wren, hawk, and chicken egg. We looked at pictures of each bird and noticed that the larger the bird was, the larger the egg was too. After exploring them together as a group, we kept the eggs out in the science center. The kids were able to hold them and measure them to record the differences in size. We were able to get 2 emu eggs. One was whole and the other was cracked in half. With the cracked egg, we were able to see how thick the egg was and we noticed that it had layers. We realized how difficult it must be for a baby bird to hatch out of such a strong, thick egg. We discussed that if our eggs do hatch, the chick will probably be very tired from the hatching experience. All of the eggs we explored were real except for the hawk egg which was an exact replica. We did great with the eggs except for one incidence where our tiny wren egg got dropped on the table and cracked. Let's just say it was a great lesson on the stench of an old rotten egg! :)
We also did a couple of experiments with eggs this week. The first was putting an egg in vinegar. If you haven't heard of this before, the acid from the vinegar is supposed to dissolve the egg shell and, after a week, leave a rubbery bouncy egg. We put the egg in the vinegar on Monday and we each made a hypothesis about what might happen to our egg after a week. We got some great guesses! Some guessed that the egg would disappear or rot. Others guessed that it would crack or change colors. We even had some guess that it would make the yolk inside the egg go away. On the second day we checked the egg and noticed that the outer part of the shell was floating around on top of the vinegar and the pieces floating around were no longer hard and starting to disappear. We poured out the old vinegar and replaced it with a new supply. Throughout the week we poked the egg with our fingers and noticed that it was getting really soft and appeared to get larger in size. On Friday we pulled it out and tested our hypothesis. We were giddy to discover that our egg was soft and rubbery! We remembered from earlier this year during our turtle study that a hard egg breaks when it drops. We decided to test our soft egg by dropping it onto the table. We were expecting it to bounce but found ourselves shocked when it exploded all over the table! We did notice that the albumen and yolk had become slightly solid but the shell was holding a large amount of vinegar. It was neat for us to connect with our experiment from earlier this year and compare results.
Another experiment we've been doing is checking our incubating eggs with a flashlight. As the chicks develop inside the egg, we should be able to see a difference in the inside of the egg by holding it against a flashlight. We got into groups and tested each one of our eggs. We saw several different results from our testing. Some of the eggs obviously had no chick growing inside. We noticed that they were still orange and see through just like they were when we checked them on day one. On the other hand, we had a few eggs that showed us visible blood veins and a small dark spot forming! We were so excited that we squealed! (include me and Michelle). Some of the eggs were too difficult to tell either way. We discussed that even though we did see veins in some of them, that doesn't mean that all of those will continue to develop. After checking we feel hopeful that we'll at least have a couple that continue to form and hatch!
We also spent some time talking about the different parts of an egg and a chicken. We cracked an egg open and learned that the yellow part is called the yolk and the clear part is called the albumen. We also learned that the chicks eat these things while inside the egg to gain nutrients and help them grow. Someone asked what was inside the yolk so we experimented a little by stirring the two parts together. We noticed that there was nothing inside the yolk and that when we mixed the two together, the albumen was still easy to recognize as it didn't mix as well as the yolk. We also made a little game to help us learn about the different parts of a chicken. The game shows a picture of a chicken with different words. We've been exploring these new words a lot lately. We have been using the picture to match the words to the different parts of the chicken body. Our vocabulary has really grown over the past 2 weeks since we started our study! Here's a little list of vocabulary words as defined by some of the kids...
pullet - "a chicken that is under one years old" (John Walter)
egg tooth - "a little part that the chicken uses to hatch on it's beak" (David)
wattle - "a piece of skin that hangs from it's neck and it's red" (Zeke)
hatch - "that means a chicken tries to get out of the egg" (Max)
coop - "a house for chickens. It protects the chickens from coyotes, bears, and raccoon" (Aston)
rooster - "a boy chicken. When it's morning time he goes cock-a-doodle-doo" (Sadie)
hen - "a female chicken. She lays eggs" (John Adam)
chick - "a baby chicken. They crack open eggs" (Kifer)
incubation - "keeps the eggs warm so that the baby chicks come out" (John Walter)
albumen - "the clear part of the egg that a baby chicken eats when it's inside" (Jacob)
yolk - "the yellow part of the egg" (Jacob)
nest - "a mama hen lays her baby chicken eggs inside them. They grow inside and then hatch" (Owen)
We also made our own eggs and nest this week. After exploring our different types of eggs we also explored a real nest. We talked about the shape and purpose of the nest. Afterwards, we used clay to make our eggs. After they dried we painted the eggs. As we made these we talked about the difference in egg shapes and colors. We discussed that even chickens lay different colored eggs and that no 2 eggs look exactly the same. We also learned that every nest will look different. We gave the kids a pile of newspaper and paper bag stripes and asked them to use their imagination to create a nest for their egg. It took some trial and error but we discovered that the crumpled paper and some glue could make a perfect resting place for their egg. These will be on display in the hallway. The kids worked so hard on these! We hope you enjoy their little masterpieces!
Approaches to Learning:
- Show creativity and imagination using materials in representational play.
- Demonstrate increasing ability to identify and take appropriate risks in order to learn and demonstrate new skills.
- Show curiosity in an increasing variety of activities, tasks, and learning centers.
- Demonstrate eagerness and interest as a learner by questioning and adding ideas.
Social & Emotional:
- Demonstrate self direction by making choices among peers, activities and materials.
- Demonstrate confidence by participating in most classroom activities.
- Stand up for rights most of the time.
- Recognize effect on others of own behavior most of the time.
Language & Literacy:
- Show interest in informational texts about familiar objects.
- Make relevant comments or appropriate responses to story events or characters.
- Begin to ask questions about the causes of events they observe or hear about in books.
- Incorporate information from informational texts into play activities.
- Seek information by looking at texts, signs and photographs in the classroom.
- Begin to use both pictures and text read aloud as cues to meaning of unfamiliar words.
Mathematics:
- Investigate solutions to simple problems.
- Use appropriate vocabulary to communicate mathematical ideas.
- Show one-on-one correspondence through ten when counting real objects.
- Compare the lengths of two objects.
- Associate at least two measurement devices with their purposes.
Exploring different types of eggs...
Our vinegar and egg experiment...
Working hard at creating our eggs and nests...
Learning the different parts of a chicken...
We also saw a puppet show this week!...