7th grade photosynthesis and cellular respiration

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7th grade photosynthesis and cellular respiration

The lessons in this sequence are based on the "need to know's" created by the students with guidance for the Cells 'R Us project. To start the lesson, I hand out the chain note previously created by the studentsand ask them to read it over, looking for ideas on what they could use to represent chloroplasts and photosynthesis in their Cells 'R Us project.

I remind them that the decision they make right now is not "set in stone", but they should have some ideas. I tell the students to think about the function of the chloroplast and talk about who or what performs a similar job in an attraction mall, amusement park, etc.

The ideas gathered in the whip around then make it back to the project planning sheetwhere the students keep a running record of what they will use in their project. I tell the class that now that we know how energy is captured by plant cells, it is time to discover just how that energy is released. In order to learn this, we will continue the WISE activity, so student pairs should get their computers and log on to the site. Step 3. As students continue to work, I am moving around the classroom checking in on student understanding through the conversations I overhear.

An added benefit of using the WISE visualizations is that it provides students with an opportunity to develop a conceptual model of what happens during cell respiration, and how the glucose that was stored is used by the plant SP2 Developing and Using Models. Computer models such as this one, allow students to create mental images of processes that they are not be able to observe in real life, creating a more powerful learning experience.

Photosynthesis And Respiration In Plants

This probe enables me to recognize whether the students have realized that plants respire continuously and that although photosynthesis and cell respiration are opposite processes in terms of chemical equations, they are not truly opposite processes in terms of when and where they occur. This is what I found out from the student responses to the light and dark probe.

Empty Layer. Home Professional Learning. Professional Learning. Learn more about. Sign Up Log In. Students will be able to use interactive visualizations to explore how chemical energy is released during cell respiration. Big Idea When bonds are broken, energy is released. Lesson Author. Grade Level. SP2 Developing and using models. SP4 Analyzing and interpreting data. SP6 Constructing explanations for science and designing solutions for engineering.

Note to Teachers. Hook 10 minutes. Explore 35 minutes. Closure 5 minutes. Previous Lesson. Next Lesson. Related Lessons. This Lesson is Over-Easy! Mitochondria "The Powerhouse of the Cell". Cellular Respiration. Seventh grade.The purpose of this lesson is to make sure that students have the ideas, vocabulary, and connections ready to be successful in the unit.

Lightning Round- This fun, dynamic strategy pulls our prior knowledge and creates fluency with important terms.

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Vocabulary Protocol- In this collaborative protocol, students build knowledge of a term in groups. Concept Map- The creation of a shared concept map leads to connections being made with previous and future learning. I ask this question today to check student understanding from the previous mini-unit on photosynthesis.

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I am very wrong! Many of my students do not demonstrate a solid understanding of these words, so I'm going to work in more practice during this unit. Students record their opening question on their learning goal sheet and are ready to start class 3 min after the bell has rung. The purpose of this section is to help students remember the information they learned about photosynthesis so that they can apply it to cellular respiration.

To do this I use a strategy called "Lightning Round". To prepare for this I put the terms or concepts I want the students to know on post its and put them in a box. Today's words are:. I pull the word slips randomly from the box. This simple difference from listing them on the board creates excitement that might not be there otherwise!

After I draw, the students have 15 secs to discuss with their partner. Then I ring the bell and the students put their hands up to be called on.

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I can measure their engagement easily by looking at the number of hands that go up. If the student gets the answer only partially right or wrong, I reward them with a ticket anyway because that is about participation but I also ask a followup question to another student. Once we get the entirely right answer, I restate it for the class and then call on the original student again.

This is a formative check to make sure that the students are learning during this activity. We continue until all the words are out of the box. Once the lightning round is done, I talk about why these terms are important to the students and how they connect to the learning we will be doing today. Sometimes, I use data from previous tests to show students where we are in learning these terms. At this point in the lesson I want to review what the students learned in photosynthesis and help them understand that cellular respiration is the next step in the chain.

In the last unit my students made animotos of photosynthesis. For this lesson, I pick some of the best and use them as a way to remind students of what they have learned.All living things need food and energy to survive. The food-making and energy process for plants to survive is called photosynthesis. Plants make food and produce oxygen through photosynthesis.

The process is complex but with the sun, water, nutrients from the soil, oxygen, and chlorophyll, a plant makes its own food in order to survive. Chlorophyll is a green chemical inside a plant that allows plants to use the Sun's energy to make food. Without chlorophyll a green plant would not be able to survive.

The entire process is called photosynthesis, and without it people and other animals would not be able to live and grow. This is the reason it is important for the survival of trees and plants. They give off oxygen which help people and other animals to breathe. The plants also give people and animals food to eat. The food could be the different kinds of fruit or the many varieties of vegetables from apples and oranges to green beans and peas.

When people and animals eat this food from the plants it also gives them the energy to live and grow. Without plants, animals and people would not be able to survive.

During the fall in certain parts of the world photosynthesis no longer takes place. When this happens the leaves begin to turn different colors.

7th grade photosynthesis and cellular respiration

The leaves may turn yellow, orange or maybe even red, or a combination of those colors. Surprisingly, these colors are the original colors of the leaves. In the spring and summer there is too much green color from the chlorophyll for the leaves to be seen as their original colors. As the temperature drops, though, the leaves of trees, other than evergreens, stop making the chlorophyll.

The chlorophyll begins to vanish and the leaves begin to change colors. In summary, photosynthesis is the food-making and energy process for plants to survive. A plant's leaves contain chlorophyll which is a green chemical inside a plant that allows plants to use the Sun's energy to make food.

Chloroplast inside the chlorophyll contain water and the carbon dioxide from the air to make the food for the plant to survive. Without photosynthesis, the plants would not be able to live and grow. Toggle navigation. Click here to enroll in premium subscription. The following are the steps in photosynthesis: 1. The sunlight is absorbed through a plant by its leaves, or other green parts. The water and nutrients from the soil are absorbed through the roots of the plant.

The chlorophyll inside the plant's leaves traps the energy from the sunlight. Carbon dioxide in the air enters through the leaves of the plants.

Carbon dioxide is carbon and oxygen combined. Inside the chlorophyll there are chloroplasts which contain water and the carbon dioxide from the air. The chloroplasts are like tiny manufacturing plants. The water and carbon dioxide from the air combine to make sugar and water.

7th grade photosynthesis and cellular respiration

Basically, it is the food for the plant to survive and grow. Sugar is then made and released into the veins of the leaf and it spreads throughout the rest of the plant.Played times. Print Share Edit Delete. Live Game Live. Finish Editing. This quiz is incomplete! To play this quiz, please finish editing it.

Delete Quiz. Question 1. The pigment in chloroplasts that absorbs light energy is called. The reactants in photosynthesis are. The products in photosynthesis are. How does Carbon Dioxide enter a plants leaves? Through the:. What are the products of photosynthesis? Most plants appear green because chlorophyll. What process is the diagram representing? Nitrogen Cycle Nitrogen cycle. Look at the image What substances and organelle work together to absorb sunlight to perform photosynthesis in this example?

What gas goes into the plant before photosynthesis? Which plant part absorbs water and nutrients? Because plants carry out photosynthesis, they are considered. What is the chemical formula for Glucose sugar? What is the chemical formula for water?

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CHO 2. What is the chemical formula for carbon dioxide? What is the chemical formula for oxygen? What does the arrow in a chemical equation mean? Why do plants need sunlight for photosynthesis? The light creates heat needed for photosynthesis to occur.

Plants can't absorb carbon dioxide in darkness. The light provides the energy needed to power photosynthesis. Plant's can't absorb water in darkness.

What gas do plants release back into the environment? Carbon Dioxide. Quizzes you may like.The purpose of this lesson is to help students deconstruct and understand the cellular respiration equation. This understanding is vital to long term understanding of the concept so that they will be able to read and understand the equation after they have forgotten the specific reactants and products.

Opening Question: If photosynthesis was about making food, what do you think cellular respiration is about? Students record their opening question on their learning goal sheet and are ready to start class 3 min after the bell has rung.

I start the lesson by putting up this picture and asking the students a series of questions. Sometimes, I even bring in fruit and crusty bread for the students to eat. Then I write the equation for photosynthesis on the board and ask the students to do a writing to think about photosynthesis. Their job is to put down everything they know about photosynthesis in 3 min. Writing to think is a great way for students to pull up ideas from their brain and make new connections.

At the end of the 3 minutes I use the equation of photosynthesis on the board to remind students of the following:.


Today we are doing a shared reading on reading chemical equations. I'm choosing this strategy because my students struggled with understanding the chemical equation in the previous unit and I want to give them a strong foundation for this unit. Shared reading is a great reading strategy to use when your goal is not only to help students with specific content, but also help them read a specific genre type.

In this situation, we are "reading" chemical formulas. The big idea of shared reading is to gradually dig deeper and deeper into a complex text over a number of days, all the time exposing your own thinking to the students. A sample plan for shared reading might look like this.

Day 2- Comprehend the text using questioning, determining importance, visualization, or clarifying. For this lesson, my job is simply to expose them to the text and my thinking, while allowing them to do some thinking. First, I put the equation on the board. I try also to have the equation at the students' tables so that they can have a choice of where to look. Then I talk about the text and show the students what I am seeing and noticing.

There is a screencast below to show what this might look like. Unable to display content. Adobe Flash is required. When I am done with my noticingings. I ask the students to compare this equation to the photosynthesis equation they already know and make some connections. I ask the students to write their connections on post -its and then I collect them.The purpose of this lesson is to introduce the concept of energy to the class, gather information about prior knowledge and discover where the energy originally comes from.

Last one standing-Elicit many ideas and share with the class in a slightly competitive format. Students record their opening question on their learning goal sheet and are ready to start class 3 min after the bell has rung.

7th grade photosynthesis and cellular respiration

Once the students are ready for class to begin, I draw their attention to the learning goal and let the students think-pair-share about where energy comes from.

I encourage the students to look for their ideas in the video and see whether they were right! That gives them a purpose for viewing. I also let them know that the video is done from the perspective of a caveman. Finally, although the this video is a great introduction, it ends abruptly.

This is fine for our purposes because we are simply introducing the topic. Pre-assessment is important in teaching because it lets you know the level to teach to. However, it doesn't have to be a pencil and paper quiz or worksheet.

I find that I am constantly pre-assessing at the beginning of lessons and altering my lesson plan slightly. This might look like spending more time in one area than another or in skipping activities entirely. I set this up by going back to the learning goal and restating that we are trying to figure out where energy comes from but that before we do this we need to know what energy is. Depending on the size of the categories, you can shape the class to meet the learning level of MOST of the students.

For some students today's work might be review. That's okay, because review makes ideas stronger and these students will have a chance to extend their thinking later. For some students today's work may be brand new. That's okay too because these students will be working on these concepts for the whole unit. In my class, the majority of the students are in category 2. To answer the pre-assessment question, I have students draw a circle map in their lab notebooks.

They put the word energy in the middle. Then I gave the students 30 seconds to write some ideas down. Once they write their ideas down they get to visit three other people in the room to get more ideas. This is a great way to stir the room and get a higher level of engagement. I walk around listening to the ideas and figuring out where most students are in their learning. The purpose of this section is to raise the amount of ideas that students have about energy.Cells just like any living thing undergo cell respiration so as to produce energy.

This is achieved through photosynthesis where the plant gets to change the energy from the sunlight to produce glucose and oxygen as byproducts. Just how well do you understand photosynthesis and cell respiration?

This is a completion grade. You will receive points for Participation for completing this no matter what score you get. Forgot your password? Speak now. Please take the quiz to rate it. All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions 11 questions 12 questions 13 questions 14 questions 15 questions.

Photosynthesis And Cell Respiration- Pre Test

Feedback During the Quiz End of Quiz. Play as Quiz Flashcard. Title of New Duplicated Quiz:. Duplicate Quiz Cancel. More Photosynthesis Quizzes. Honors Biology Photosynthesis Quiz! Quiz: Photosynthesis In Green Plants!

Trivia Quiz Over Photosynthesis! Featured Quizzes. What U. City Should You Live In? Are You Liberal or Conservative? Related Topics. Questions and Answers. Remove Excerpt. Removing question excerpt is a premium feature. Energy is never created or destroyed, it only is transfered from one thing to another. What is an autotroph? Where is the Cell does Photosynthesis happen? What are the two reactions in the process of photosynthesis? What are the two types of energy that come from or are used in Photosynthesis and Cell Respiration?

Cell Respiration includes three steps. What step of Cellular Respiration is the majority of the energy produced? What is a reactant? Back to top. Sign In with your ProProfs account. Not registered yet?


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