Subject: Science

Science 7

Course Type: Middle School

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Credits: 1.0

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Course Description

Science 7 is the second course in the progression of a student’s understanding of the basics of the natural sciences (Physical Science, Life Science, Earth and Space Science). This course reviews some of the physical science concepts covered in Science 6, such as: matter, measurement, mixtures and solutions, waves, and energy, while introducing critical life science concepts. Specific life science topics include: the cell, succession, and population, ecosystems, biodiversity, mitosis, and meiosis, DNA, genes, and chromosomes. This course also introduces the Scientific Method, the Periodic Table, and the basics of ecology.

Textbook: Science 7 - © Excel Education Systems, Inc. - 2021

Course Objectives

Describe and apply the steps of the Scientific Method.

Explain the organization of the Periodic Table.

Explain how chemical reactions are classified.

Distinguish between living and non-living things and list their characteristics.

Explain the levels of biodiversity and their effects on living things.

Describe the basics of DNA, genes, and chromosomes.

Summarize the major events during mitosis and meiosis.

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Course Contents

Module TitleModule Topic(s)
The Scientific Method & Periodic Table
Measurement and Mixtures
Matter
Solutions and Chemical Reactions
The Cell
Succession and Population
Habitats and Ecosystems
Biodiversity
Water
Mitosis and Meiosis
DNA, Genes, and Chromosomes
Ecology Basics
Waves and Energy
Characteristics of Waves
Conservation of Energy
Wind and Water
Types of Signals
Compression and Conversion of Signals

Recommended Prerequisites

Science 6

Credits: 1.0

Course Type: Middle School

Course Subject: Science

Carnegie Credits Explained: Our Approach vs. Trimester Credits

Carnegie Credit System
Excel High School follows the Carnegie Credit system, a widely recognized method of measuring student progress based on instructional hours. A single Carnegie credit reflects approximately 120 hours of coursework, typically completed over a full academic year.

Carnegie Credit vs. Trimester Credit
While Carnegie credits are awarded based on total hours over a year, trimester credits divide the school year into three terms. In a trimester system, students complete courses in shorter, intensive sessions, often earning partial credits (e.g., 0.33 or 0.5 per term). In contrast, Excel’s use of Carnegie credits ensures students have ample time to engage deeply with the material and develop a well-rounded understanding at a consistent pace.

Accreditation You Can Trust

Recognized & Respected Nationwide

At Excel High School, we are proud to be regionally accredited by Cognia, along with additional accreditations from NCA, SACS, NWAC, and the Middle States Association. Our programs meet the same rigorous standards as public schools, giving you the confidence of earning a well-respected diploma.

Global Recognition for Our Accredited Diplomas

Excel High School’s regionally accredited diploma is accepted by colleges and universities around the world. With our recognized accreditation, you can confidently pursue higher education wherever your journey takes you.

Accreditation You Can Trust

Recognized & Respected Nationwide

At Excel High School, we are proud to be regionally accredited by Cognia, along with additional accreditations from NCA, SACS, NWAC, and the Middle States Association. Our programs meet the same rigorous standards as public schools, giving you the confidence of earning a well-respected diploma.

Global Recognition for Our Accredited Diplomas

Excel High School’s regionally accredited diploma is accepted by colleges and universities around the world. With our recognized accreditation, you can confidently pursue higher education wherever your journey takes you.