We don't have much time for Science this week. We will be viewing a video about the evolution of organisms for two days.
We will also have some brief discussions. If you or your child are uncomfortable with these topics please let me know and I will make other arrangements. (Students can talk to me at any time.)
We will be beginning to look at the Geologic Timeline. Starting with an overview of the entire timeline from beginning of Earth through present day, we will see how much time each eon, era and period took relative to each other and then get into more detailed examination of each part of the Geologic Timeline.
This week in science we will be looking at real-life fossils, radioactive dating methods and what has shaped the continents as we know them today.
This week we will be exploring fossils including the types of them, how they are made and what information we can gain by examining them. We will also look at how plates moving on Earth have impacted our planet.
Science fair and DNA quiz this week. Not time for much else!
This week we will be looking at DNA, RNA, and how you go from genes (a series of bases) to a protein. Additionally, we will be exploring what genetic engineering is and how it is currently being used.
We will be taking a look at how DNA was discovered, including the (maybe unethical?) discovery of the DNA model by Watson and Crick. Then we will be looking at how DNA is actually put together and how DNA can be so complex even when created using only 4 unique building blocks.
This week I will be helping students to find a Science Fair Topic that is interesting to them and an experiment which is doable. We will be having a Mitosis Quiz on Tuesday and then begin to briefly look at Meiosis. Students have a study guide which will help them to verify they understand Mitosis and related science vocabulary.
The pretest we took in science last week indicated the vast majority of students did not have a good grasp of the basic concepts of the cell. That included cell wall, cell membrane, nucleus, etc. Therefore we are going to go back to the basics and learn the structures of the cell and their functions. This knowledge is important when understanding things like mitosis and meiosis, which is the next step according to Core Knowledge.
This week we are continuing to learn about cell organelles, where are are located and what their functions are. One way students are learning this is through the creation of analogies for each organelle. Also, students are creating 'trading cards' for each organelle, complete with location, analogy and drawing. These will be used as both flashcards as well as cards to play a game.
This week in science we will be starting something completely different: cells. Students should have already been taught about cells in 5th grade. I will be assessing how much they do know about cells, most likely refreshing them on the basics of what cells are, their basic structure and any other background knowledge that is required before continuing. Then students will be introduced to the two forms of cell reproduction: Mitosis and Meiosis.
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