Grade 7 Science
A free Grade 7 course from the PGAMO Free K–12 School, built on Core Knowledge Science (OpenSciEd). Units: Chemical Reactions and Matter, Chemical Reactions and Energy, Metabolic Reactions, Matter Cycling and Photosynthesis, Ecosystem Dynamics, Earth’s Resources and Human Impact.
Every lesson has the chapter’s pages to read right on screen, the Big Question, words to know, talk-it-over questions with answers for the teacher, and activity pages to print. Each unit ends with a short quiz, and every unit has a printable study pack for learning offline.
CKSci 6–8 was originally developed and authored by OpenSciEd (www.openscied.org), licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). Additions marked “Core Knowledge Science Literacy” are the work of the Core Knowledge® Foundation (www.coreknowledge.org), made available through licensing under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. This does not in any way imply that OpenSciEd or the Core Knowledge Foundation endorses this work. PGAMO added the lesson pages, study packs and quizzes layout, and shares them under the same license. CC BY-NC-SA 4.0 · Core Knowledge Science (OpenSciEd). Free for everyone — this course may never be sold.
Features
- 125 lessons in 6 units
- The books’ pages right in each lesson
- Unit quizzes
- Printable offline study packs
Target audiences
- Grade 7 students
- Homeschool families and co-ops
Requirements
- Nothing to buy — every book is included free
- A parent or teacher to read and talk with younger students
Curriculum
- 7 Sections
- 126 Lessons
- 36 Weeks
Expand all sectionsCollapse all sections
- Start here1
- Unit 1: Chemical Reactions and Matter20
- 2.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 2.2Lesson 1: What happens when a bath bomb is added to water (and what causes it to happen)?4 Days
- 2.3Lesson 2: Where is the gas coming from?2 Days
- 2.4Reading: Science Literacy Collection 1: Noticing the Chemical World1 Week
- 2.5Lesson 3: What’s in a bath bomb that is producing the gas?2 Days
- 2.6Lesson 4: Which combinations of the substances in a bath bomb produce a gas?2 Days
- 2.7Reading: Science Literacy Collection 2: Chemistry Concepts1 Week
- 2.8Lesson 5: What gas(es) could be coming from the bath bomb?2 Days
- 2.9Lesson 6: How can we explain another phenomenon where gas bubbles appear from combining different substances together?1 Day
- 2.10Lesson 7: How can we revise our model to represent the differences in the matter that goes into and comes out of the bath bomb system?1 Day
- 2.11Lesson 8: How can particles of a new substance be formed out of the particles of an old substance?1 Day
- 2.12Reading: Science Literacy Collection 3: Matter from One Place to Another1 Week
- 2.13Lesson 9: Does heating liquid water produce a new substance in the gas bubbles that appear?2 Days
- 2.14Lesson 10: When energy from a battery was added to water, were the gases produced made of the same particles as were produced from heating the water?1 Day
- 2.15Lesson 11: How do Dalton’s models of the particles that change in a reaction compare to the ones we developed?2 Days
- 2.16Reading: Science Literacy Collection 4: Combinations of Atoms1 Week
- 2.17Lesson 12: How can a new substance (a gas) be produced and the total mass of the closed system not change?2 Days
- 2.18Lesson 13: Why do different substances have different odors and how do we detect them?1 Day
- 2.19Lesson 14: What is happening to the Taj Mahal?2 Days
- 2.20Unit 1 words quiz: Chemical Reactions and Matter20 Minutes12 Questions
- Unit 2: Chemical Reactions and Energy16
- 3.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 3.2Lesson 1: How can we heat up food when we don’t have our typical methods available?3 Days
- 3.3Lesson 2: How do heaters get warm without a flame?2 Days
- 3.4Reading: Science Literacy Collection 1: A Hot Meal on the Go1 Week
- 3.5Lesson 3: What other chemical reactions could we use to heat up food?3 Days
- 3.6Lesson 4: How much of each reactant should we include in our homemade flameless heater?2 Days
- 3.7Reading: Science Literacy Collection 2: The Heat Is On1 Week
- 3.8Lesson 5: How can we refine our criteria and constraints?1 Day
- 3.9Lesson 6: How can we redesign our homemade flameless heater?3 Days
- 3.10Lesson 7: How did our design compare to others in the class?1 Day
- 3.11Reading: Science Literacy Collection 3: Putting Ideas to Work1 Week
- 3.12Lesson 8: What effects might result from our design changes?2 Days
- 3.13Lesson 9: What is our optimal design for a homemade flameless heater?3 Days
- 3.14Lesson 10: How can we decide between competing designs?1 Day
- 3.15Reading: Science Literacy Collection 4: Good, Better, Best1 Week
- 3.16Unit 2 words quiz: Chemical Reactions and Energy20 Minutes12 Questions
- Unit 3: Metabolic Reactions22
- 4.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 4.2Lesson 1: What is going on inside M’Kenna’s body that is making her feel the way she does?3 Days
- 4.3Lesson 2: Can we see anything inside M’Kenna that looks different?2 Days
- 4.4Reading: Science Literacy Collection 1: Changing Body Weight1 Week
- 4.5Lesson 3: Why do molecules in the small intestine seem like they are disappearing?2 Days
- 4.6Lesson 4: What happens to food molecules as they move through the small intestine and large intestine?1 Day
- 4.7Lesson 5: Why do large food molecules, like some complex carbohydrates, seem to disappear in the digestive system?2 Days
- 4.8Reading: Science Literacy Collection 2: Gut Reactions1 Week
- 4.9Lesson 6: What happens to the different substances in food as it travels through the digestive system?1 Day
- 4.10Lesson 7: What is the function of the digestive system, and how is M’Kenna’s digestive system different?3 Days
- 4.11Lesson 8: What does the surface of M’Kenna’s small intestine look like up close compared with a healthy one?2 Days
- 4.12Reading: Science Literacy Collection 3: Digestion Chemistry1 Week
- 4.13Lesson 9: How can a problem in one body system cause problems in other systems?1 Day
- 4.14Lesson 10: Why is M’Kenna losing so much weight?2 Days
- 4.15Lesson 11: What happens to matter when it is burned?2 Days
- 4.16Reading: Science Literacy Collection 4: Burning Calories1 Week
- 4.17Lesson 12: Does this chemical reaction to burn food happen inside our bodies?2 Days
- 4.18Lesson 13: How does a healthy body use food for energy and growth, and how is M’Kenna’s body functioning differently?2 Days
- 4.19Lesson 14: Do all animals do chemical reactions to get energy from food like humans?1 Day
- 4.20Reading: Science Literacy Collection 5: Built from Food1 Week
- 4.21Lesson 15: What questions on our Driving Question Board can we now answer?2 Days
- 4.22Unit 3 words quiz: Metabolic Reactions20 Minutes12 Questions
- Unit 4: Matter Cycling and Photosynthesis22
- 5.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 5.2Lesson 1: Where does this stuff come from?3 Days
- 5.3Lesson 2: Do plants get their food molecules by taking them in?2 Days
- 5.4Reading: Science Literacy Collection 1: Plants, Food, and Plants’ Food1 Week
- 5.5Lesson 3: What other inputs could be sources of food molecules for the plant?1 Day
- 5.6Lesson 4: Are any parts that make up food molecules coming into the plant from above the surface?2 Days
- 5.7Lesson 5: How are these gases getting into and out of leaves?1 Day
- 5.8Lesson 6: How are all these things interacting together in this part of the plant?2 Days
- 5.9Reading: Science Literacy Collection 2: Plants and Chemistry1 Week
- 5.10Lesson 7: Why do plants need light?1 Day
- 5.11Lesson 8: Where are plants getting food from?2 Days
- 5.12Lesson 9: Where do the food molecules in the maple tree come from?1 Day
- 5.13Lesson 10: Why don’t plants die at night?2 Days
- 5.14Reading: Science Literacy Collection 3: Our Changing Planet1 Week
- 5.15Lesson 11: Why don’t plants die when they can’t make food?3 Days
- 5.16Lesson 12: Where does the rest of our food come from?3 Days
- 5.17Reading: Science Literacy Collection 4: Producers and Consumers1 Week
- 5.18Lesson 13: What happens to food that doesn’t get eaten?2 Days
- 5.19Lesson 14: Where does food come from and where does it go next?2 Days
- 5.20Reading: Science Literacy Collection 5: Connected Lives1 Week
- 5.21Lesson 15: Where does food come from, and where does it go next?2 Days
- 5.22Unit 4 words quiz: Matter Cycling and Photosynthesis20 Minutes12 Questions
- Unit 5: Ecosystem Dynamics26
- 6.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 6.2Lesson 1: How could buying candy affect orangutan populations in the wild?4 Days
- 6.3Lesson 2: Can we replace palm oil with something else?1 Day
- 6.4Reading: Science Literacy Collection 1: Using Earth1 Week
- 6.5Lesson 3: Can we grow oil palm trees somewhere else so that we’re not cutting down tropical rainforests?1 Day
- 6.6Lesson 4: Why do people cut down tropical rainforests when they know it is harmful to the animals that live there?1 Day
- 6.7Lesson 5: How have changes in our community affected what lives here?2 Days
- 6.8Lesson 6: If palm oil is not going away, how can we design palm farms to support orangutans and farmers?1 Day
- 6.9Lesson 7: How many orangutans typically live in the tropical rainforest?2 Days
- 6.10Lesson 8: Why do orangutans need so much forest space?2 Days
- 6.11Lesson 9: Would planting more rainforest fruit trees help the orangutan population increase?2 Days
- 6.12Reading: Science Literacy Collection 3: Counting and Sampling Populations1 Week
- 6.13Lesson 10: How do changes in the amount of resources affect populations?2 Days
- 6.14Lesson 11: How does planting oil palm affect other populations?2 Days
- 6.15Lesson 12: What would happen if orangutans go extinct?1 Day
- 6.16Reading: Science Literacy Collection 4: Population Dynamics1 Week
- 6.17Lesson 13: How does an ecosystem change when the plants change?2 Days
- 6.18Lesson 14: Are there ways people can grow food without harming the tropical rainforest?1 Day
- 6.19Lesson 15: How can people benefit from growing food in ways that support plants and animals in the natural ecosystem?1 Day
- 6.20Lesson 16: What approach to growing food works for everyone and why?2 Days
- 6.21Reading: Science Literacy Collection 5: Valuing Ecosystems1 Week
- 6.22Lesson 17: How can we redesign the way land is used in Indonesia to support orangutans and people at the same time?3 Days
- 6.23Lesson 18: How do our designs work for orangutans and people in Indonesia?3 Days
- 6.24Lesson 19: How can we inform others in our community about the palm oil problem and convince them to take action?5 Days
- 6.25Lesson 20: What should we do to take care of our local land, plants, and animals?5 Days
- 6.26Unit 5 words quiz: Ecosystem Dynamics20 Minutes12 Questions
- Unit 6: Earth’s Resources and Human Impact25
- 7.1Reading: Science Literacy Preface: Put Yourself in This Scene1 Week
- 7.2Lesson 1: Why are floods and droughts happening more often?3 Days
- 7.3Lesson 2: What would we normally expect for these places and how do we know it’s really changing?3 Days
- 7.4Reading: Science Literacy Collection 1: Floods and Droughts1 Week
- 7.5Lesson 3: How would increased temperatures affect evaporation?2 Days
- 7.6Lesson 4: Are rising temperatures affecting anything else in Earth’s water system?1 Day
- 7.7Lesson 5: How are rising temperatures changing water stories in these communities?2 Days
- 7.8Reading: Science Literacy Collection 2: Rising Temperatures, Rising Seas1 Week
- 7.9Lesson 6: How are rising temperatures connected to two seemingly different phenomena?2 Days
- 7.10Lesson 7: Are there any changes in the air that could be related to rising temperatures?1 Day
- 7.11Lesson 8: Are changes in carbon dioxide and methane related to or causing temperatures to increase?2 Days
- 7.12Reading: Science Literacy Collection 3: Temperature and Changes in the Atmosphere1 Week
- 7.13Lesson 9: Are the changes in the amount of CO2 in the atmosphere part of normal cycles that Earth goes through?1 Day
- 7.14Lesson 10: What is happening in the world to cause the sharp rise in CO2 ?2 Days
- 7.15Lesson 11: Why could burning fossil fuels create a problem for CO2 in the atmosphere?1 Day
- 7.16Lesson 12: How are changes to Earth’s carbon system impacting Earth’s water system?2 Days
- 7.17Reading: Science Literacy Collection 4: People and Greenhouse Gases1 Week
- 7.18Lesson 13: Why is solving the climate change problem so challenging?1 Day
- 7.19Lesson 14: What things can people do to reduce carbon dioxide going into the atmosphere?1 Day
- 7.20Lesson 15: How can large-scale solutions work to reduce carbon in the atmosphere?3 Days
- 7.21Reading: Science Literacy Collection 5: Solving the Problem of Climate Change1 Week
- 7.22Lesson 16: How are these solutions working in our communities?1 Day
- 7.23Lesson 17: What solutions work best for our school or community?4 Days
- 7.24Lesson 18: What can we explain now, and what questions do we still have?1 Day
- 7.25Unit 6 words quiz: Earth’s Resources and Human Impact20 Minutes12 Questions
Instructor
Bishop King
Founder and Director of Pentecostal Gospel Assemblies
