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Transcript
IDENTIFY MOLECULES AND ORGANELLES Student Name ________ As you get to know the simulation, it’s important to take a moment to write down what you’re observing in the cell. A key part of science is taking good notes and figuring out how best to present your information to others. Throughout this entire lesson on cells, we’ll be discussing different ways of presenting what you learn. We’ll start with a simple list. There are six kinds of molecules in the simulation. Can you find and name them all? There are seven kinds of organelles in the simulation. Can you find and name them all? Molecules Organelles Small structures that travel throughout the body, cells and organelles and keep them all functioning. Structures inside the cell that perform basic jobs using the molecules to keep the cell healthy and alive. © 2014 Amplify, Inc. 1 UNDERSTANDING SCALES INSIDE THE BODY Student Name ________ Order the following items by size, with smallest at the top and biggest at the bottom. Organelle Cell Tissue Molecule Organ Human © 2014 Amplify, Inc. 2 INVESTIGATION OF ORGANELLES Student Name ________ Use the simulator to continue your investigation into the cell, organelles, and molecules. Figure out which molecule or molecules enter and which molecule or molecules leave for each organelle listed below. This is the first step to making a larger model for tracing how all molecules travel through a cell. © 2014 Amplify, Inc. 3 CELLULAR INPUTS/OUTPUTS Student Name ________ You have investigated what’s happening inside the cell, but how does the cell system connect to the rest of the organism? Can you figure out which molecules the cell gets from outside? And what molecules does the cell produce and send outside the cell? Bloodstream En te rs t he En ter s Ce ll l Cell Membrane e es av Le th l ce th eC ell l e es av Le th l ce © 2014 Amplify, Inc. 4 SESSION 2 EXIT TICKET Student Name ________ Use the words in the box below to complete the sentences below. Glucose Carbon dioxide ATP mRNA Proteins Which molecule goes into the mitochondria? ______________ goes into the mitochondria. Which molecule is made by ribosomes? Ribosomes produce _______________. © 2014 Amplify, Inc. 5 WORKING WITH GRAPHS: CHOKING Student Name ________ With a partner, create a graph that shows the effects of choking on the molecules inside a cell. Which molecules will you graph to provide the best description? How are they affected -- do their numbers go up or down? CHOKING [ No oxygen ] Amount of Molecules High Low Time © 2014 Amplify, Inc. 6 WORKING WITH GRAPHS: STARVING Student Name ________ With a partner, create a graph that shows the effects of starving on the molecules inside a cell. Which molecules will you graph to provide the best description? How are they affected -- do their numbers go up or down? STARVING Amount of Molecules in the Cell [ No Glucose ] High Low Time © 2014 Amplify, Inc. 7 REVIEW YOUR MODELS: ANIMAL CELL Student Name ________ Fill in the labels on the drawing below to show how you think the system works. Cell Membrane Ribosome Mitochondria Nucleus © 2014 Amplify, Inc. 8 CHOKING HYPOTHESIS Student Name ________ Using the model for a cell, put an “X” over organelles that won’t work when a cell doesn’t get oxygen. Oxygen (O2) Glucose (sugar) Carbon Dioxide (CO2) Cell Membrane Protein (cellular tools) Ribosome ATP (energy) mRNA (instructions) Mitochondria Nucleus Write an explanation for your answers: What do you think happens in the cell when someone’s choking? Using your model, think about the effect on organelles, molecules, and the cell as a whole. Be specific! ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ © 2014 Amplify, Inc. 9 STARVING HYPOTHESIS Student Name ________ Using the model for a cell, put an “X” over organelles that won’t work when a cell doesn’t get glucose. Oxygen (O2) Glucose (sugar) Carbon Dioxide (CO2) Cell Membrane Protein (cellular tools) Ribosome ATP (energy) mRNA (instructions) Mitochondria Nucleus Write an explanation for your answers: What do you think happens in the cell when someone’s starving? Using your model, think about the effect on organelles, molecules, and the cell as a whole. Be specific! ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ © 2014 Amplify, Inc. 10 SESSION 3 EXIT TICKET Student Name ________ Sum up what happens when someone chokes or starves. Talk about both the whole body and the cell. What evidence have you found in the cell to support this? ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ © 2014 Amplify, Inc. 11 EXPLORING INSULIN IN THE CELL PREDICTION Student Name ________ You’ve made a decision as a class on which organelles you’re going to investigate. Write down which they are and explain why we have chosen those. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ © 2014 Amplify, Inc. 12 CELL MEMBRANE RESEARCHERS Student Name ________ You are a Cell Membrane Researcher. Your job is to think about how the cell membrane works with glucose. Glucose The cell membrane allows ______________ and ________________ to enter the cell. © 2014 Amplify, Inc. 13 CELL MEMBRANE RESEARCHERS Student Name ________ Glucose What about the glucose? If the cell membrane stops working, the amount of glucose inside the cell will: a. go up b. go down c. stay the same Why do you think that? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ © 2014 Amplify, Inc. 14 MITOCHONDRIA RESEARCHERS Student Name ________ You are a Mitochondria Researcher. Your job is to think about how the mitochondria works with glucose. Glucose The mitochondria uses _________ and _________ to make _________ and _________. © 2014 Amplify, Inc. 15 MITOCHONDRIA RESEARCHERS Student Name ________ Glucose What about the glucose? If the mitochondria stops working, the amount of glucose inside the cell will: a. go up b. go down c. stay the same Why do you think that? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ © 2014 Amplify, Inc. 16 MITOCHONDRIA PREDICTION Student Name ________ You have predicted that if insulin acts on the mitochondria, without insulin, glucose inside the cell will increase. Glucose © 2014 Amplify, Inc. 17 MITOCHONDRIA PREDICTION Student Name ________ Translate the prediction you made into a graph. [ Time when insulin stops ] Amount of Glucose in Cell High Low Time © 2014 Amplify, Inc. 18 CELL MEMBRANE PREDICTION Student Name ________ You have predicted that if insulin acts on the cell membrane, without insulin, glucose inside the cell will decrease. Glucose © 2014 Amplify, Inc. 19 CELL MEMBRANE PREDICTION Student Name ________ Translate the prediction you made into a graph. [ Time when insulin stops ] Amount of Glucose in Cell High Low Time © 2014 Amplify, Inc. 20 COMPETING CLAIMS Student Name ________ Fill in the table below as a way of organizing your investigation. Mitochondria research Cell Membrane research Hypothesis: State what you are investigating. Insulin helps the mitochondria Insulin helps the cell membrane Prediction: Without insulin, would the amount of glucose increase or decrease inside the cell? The amount of glucose in the cell will increase The amount of glucose in the cell will decrease Reasoning: Why would the amount of glucose increase or decrease? The cell can’t use the glucose that comes in, so it piles up unused No more glucose can come into the cell © 2014 Amplify, Inc. 21 SESSION 4 EXIT TICKET Student Name ________ Based on what you observed in the simulation, circle the organelle that insulin acts on. Mitochondria or Cell Membrane You’ve just completed a challenging scientific investigation! Scientists often write up reports after they conclude an investigation. Describe what you researched and what you discovered. Make sure your answer includes the answer to these questions: 1. What happens in the bloodstream when you have diabetes? 2. What organelle does insulin work on? 3. What happens inside a diabetic cell without insulin? ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ © 2014 Amplify, Inc. 22 MAPPING THE ORGANELLES Student Name ________ Please fill out the diagram below, writing the organelles in the correct area -- plants only, animals only, or plants and animals. Plant Plant and Animal Animal © 2014 Amplify, Inc. 23 INVESTIGATION OF PLANT CELL ORGANELLES Student Name ________ Do the mitochondria, nucleus and ribosome do the same thing in the plant cell as they did in the animal cell? And what about this new organelle, the chloroplast? What does that do? How does it contribute to the system? Fill the labels with the appropriate input and outputs for the plant cell’s organelles. © 2014 Amplify, Inc. 24 REVIEW YOUR PLANT CELL MODEL WORKSHEET Student Name ________ Input the correct molecules into the drawing to show how the plant cell system works. © 2014 Amplify, Inc. 25 SESSION 5 EXIT TICKET Student Name ________ 1. “All life on Earth is dependent on plants.” Do you agree or disagree with this statement? Agree Disagree Explain your reasoning. ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 2. “Some animals, like lions, survive by only eating other animals for food. What do you think would happen to lions if all the plants on Earth disappeared?” A. Since lions do not eat plants, lions would survive if there were no plants. B. Since lions only depend on animals for their food, lions would survive if there were no plants. C. Since lions are at the top of the food web and eat everything that is lower in the food web, lions would survive if there were no plants. D. Since lions eat animals that eat plants, lions would not survive if there were no plants. © 2014 Amplify, Inc. 26