Changes to Earth
When Earth formed about 4.6 billion years ago it looked a lot different than it does today. It was a molten ball held together by gravity. As it cooled cloud formed in the atmosphere. The oceans began to form. The Moon was much closer to Earth in its early history, making low tides lower and high tides higher! It was hundreds of millions of years before life first evolved. This 3-week session will focus on this fascinating area of science presented through the lens of the Geologic Time Scale. In this 3-week session, students will make a model of the geologic timescale. We will investigate how planet Earth has changed over its 4.6 billion year history. Join Blair Lee for a 3-week session focused on topics in geology. Your children will use hands-on investigation and scientific modeling learn the answers to these questions, all the while they will work on science skills and lab technique.
Changes to Earth: Geologic Time is one of the 4 Sessions in the Elementary Level Science Series. Each session of the Elementary Level Science Series meets 3 times over a span of 3 weeks. Each 3-week Session includes important, foundational science topics, scientific modeling, focused definitions of core science terms and phrases all in an engaging, high-interest format.
Each Session of the Elementary Level Science Series has hands-on labs that have been thoughtfully paired with written materials. Materials will be emailed 2-weeks before the class meets with guided readings, materials list, lab instructions as well as suggestions for extra activities and how to use the topics and material for project-based unit studies. During the live sessions, students can ask questions as we go over the material. Then we will work on an lab/activity as a class. Classes will be taped for anyone unable to attend a class.
* Lab materials will be inexpensive and easy to obtain.
Usually 2-3 hours per week of work, including class.
The Weekly Schedule
There are 3 meetings (1 per week for 3 weeks) covering a different topic in geology each week.
Week 1: What is the Geological Time Scale? Students will learn some important vocabulary as we begin making a timeline documenting the four main Eras (Precambrian, Paleozoic, Mesozoic, Cenozoic). Students will investigate how Earth has changed during these Eras.
Week 2: Reading Rock (Before & After) Before There Was Oxygen in the Air! We take oxygen for granted. But life evolved before there was much oxygen gas the ocean or air. This story is told in layers of rocks. This week we will investigate how to “read rocks” to learn about Earth’s history. We will also look at Earth have evolved over millions of years & the theories behind some of Earth’s mass extinctions. We will continue in-class work on our timelines.
Week 3: Life Shapes Planet Earth. This week we will discuss changing organisms over Earth’s history. We will fit these into our timelines. Students will have the opportunity to report on a species that we will all add to our timelines.
Students will gain an understanding of the geologic time and Earth as a geologically active constantly changing planet
Students will gain experience using scientific models
- Students will learn important on topic vocabulary
Students will learn lab technique
Students will gain an understanding of the scientific method
Families and learners are welcome to share any information about their individual learning preferences and needs and instructor will make accommodations that are helpful to the class.
The Supply List will be available 2 weeks before the start of class
Supplies Week 1
Supplies Week 2
Supplies Week 3
To interact in class: Live sessions will be best experienced with a camera and microphone. Parents will need a Zoom account (free).
Blair Lee, M.S.
Blair’s goal through her speaking and writing is to empower educators to dare to be innovative and create something unique and academically-rich when handcrafting their child’s journey through learning.
I just feel like everyone should know how incredible these classes are
We have thoroughly enjoyed ancient history with Sam Matalone Cook and would love to continue following the history courses under her instruction. Michelle’s writing workshop was a welcomed addition to our semester and the ease of adding on a quick workshop to the semester was appreciated. I do wish that I could take classes, too. The great selection makes me jealous; Fairy Tales and Feminism would be so incredible to join in and to learn with Sam! And the LGBTQ+ history and US courses! Blair’s enthusiasm for science comes across strongly and is encouraging for the young learners. So many great classes- so little time.
Sheila and Elisa
So many great classes- so little time.
From homeschooling parent classes to learn how to best guide our learners to outsourcing subject classes with passionate teachers, SEA Online Classes have been a vital part of our homeschooling journey. I am so grateful for the variety of subjects offered and for the wonderful team making it all happen. We are happy to support SEA online classes, where we hope to be learning for years to come! Outsourcing some of our subjects has been a positive change to our homeschooling curriculum. It has allowed myself and children to stay on target this year and I’m very appreciative of the teachers and this forum for our learning. Sheila
I am so grateful for the variety of subjects offered and for the wonderful team making it all happen
SEA online classes have a way about them that ENCOURAGES my child in a way that I know that EVERY instructor will bring my child to life, and empower my child to work harder as she WANTS to do her best. I never worry about a teacher who shames or uses cohesion in class. That is a gift! SEA has teachers of very high character and professionalism.
SEA has teachers of very high character and professionalism
Biology 2 has been a well structured class. The course content and materials cover the subject well and the weekly meetings have been welcomed for continuity. Blair’s enthusiasm for the subject comes across strongly and is encouraging for the young learners. Sheila and Elisa
Biology 2 has been a well structured class
From the student: The instructors made the material, which might sound bland and boring, super fun. Blair is an exciting teacher who is clearly very enthusiastic about her work.
From the parent: Blair is very supportive of her students and was prompt with communication if we ever needed anything outside of class hours. I would recommend her classes to anyone!
Rachel and Carlos
Blair is an exciting teacher who is clearly very enthusiastic about her work.
Blair really brings the subject to life when she teaches. My daughter can’t help but be so excited about the topic she is hearing about from Blair! Marine Biology has such amazing nuances on the amazing creatures of the ocean. I found myself wanting to listen in on my daughters class, as I LOVED hearing so many cool things about kelp, and endangered species. My daughter leads the way when it is time for this class. (and not all her classes) She gets to class early to chit chat and see her instructors and LOVES learning in such a safe, and fun environment. Colleen and Millie
Blair really brings the subject to life when she teaches
Loved the Interactive part. My learner is very social (can get distracted/be distracting) but the teacher was good at letting her meet her social needs and gently redirecting when needed. My daughter is very engaged in the content and enjoys the live and interactive format of the classes. Blair Lee does a great job with these classes. Erika and Hazel
Loved the Interactive part
The dog communication lab was really fun. It was the best online class I’ve ever had. My daughter had an excellent experience with Blair in the Wolves class. She was always very excited to login to each class, and came running out with a smile and tons of facts to share after each session. Would absolutely recommend it. We look forward to her next classes!
Kate and Alice
It was the best online class I’ve ever had.
Annabelle looked forward to taking Blair’s Marine Science classes every week. She was so excited to contribute to the discussions and really felt empowered by how Blair and Alison interact with the learners. Annabelle now feels more confident sharing her marine science knowledge with family, friends and really anyone that will listen. It also reignited a passion to save marine life. Annabelle felt so proud of the reports she completed and presented to the class. That was also thanks to the enthusiasm, love and support given to her by her AMAZING teachers. Thank you Blair and Alison!!! Annabelle is always engaged and learning. I love how real terminology is used and learned. No dumbing down. High expectations that all seem to meet! Blair and Alison are so kind and really engage with each learner and make sure everyone is seen, heard and valued.
Yvonne and Annabelle