Let's Read English

Science Lesson Plans for Second Grade

Science Lesson Plans for Second Grade

Let’s Read English is an online student-paced learning system for students in preschool through middle school. It is well-known as a second-grade online school curriculum, afterschool improvement, remediation, and summer study.

Students who registered for second-grade science can get access to both first and third-grade science lessons as a part of their membership, and it enables them to move forward or review lessons at their own pace.

If you are learning about Let’s Read English, you are recommended to take a look at our interactive lesson demos. Members frequently use this article as a resource for more thorough planning, a guide for selecting particular activities using the activity finder, or differentiate our curriculum with state standards.

A teacher having science lesson

Science Lesson Plans for Second Grade

Total Activities: 183


Matter can change in many ways; some changes alter the appearance, while others create new and different matter. In this module, students explore chemical changes and physical changes, including phase changes, of matter.


Electrical energy is energy that is used to run appliances and tools. Electricity is generated at power plants from renewable and nonrenewable energy sources before it travels through power lines to all of the necessary locations. In this module students explore the various uses of electricity and the energy sources used to generate electricity.

Heat energy is energy that can be felt. Heat energy can be natural, like the heat we get from the sun, or manmade. In this module students explore the properties and characteristics of heat energy, its uses, and various sources of manmade and natural heat.

Energy is everywhere, and it is used to accomplish many different things, while transforming from sunlight to food and from electricity to heat, light and sound. This module guides students through an exploration of energy transformations in living and nonliving systems.

Forces of Motion

Fast or slow, objects, people, animals, liquids, and even gases move. In this module students begin to describe and learn to measure motion, a change in position.

Work is made easy with simple machines; they reduce the force needed to move an object over a distance. This module introduces the six types of simple machines — lever, pulley, wheel and axle, wedge, screw, and inclined plane — as students explore what a simple machine is and how simple machines work.

Opening a door, closing a lid, or skipping to school – each action requires the right push or pull. This module guides students as they explore force, a push or a pull. It includes gravity and how much of a push or a pull is needed to move various objects over a distance.


The Earth has changed since its beginning and continues to change today. Most of the changes on Earth happen over such a long period of time they cannot be observed. In this module students experience how the Earth has changed over time and learn about the clues that are used to identify those changes.

Mountains, canyons, lakes, and rivers are some of Earth’s features. Although they give shape to the surface of the Earth, over time the movement of wind and water causes these features to change. In this module, students discover how weathering and erosion change Earth’s features over time.


Over and over, the Moon changes phase, day turns to night and spring becomes summer. These cycles of change happen as the Earth spins on its axis while orbiting around the sun. This module introduces students to the different cycles observed on Earth.

The Universe contains everything, from stars and planets to solar systems and galaxies — even you. In this module, students will explore the different objects that make up the Universe and the tools we need to observe space.

Balance in Nature

All of the living things that make up the environment depend on each other to meet their needs–even people! When changes happen in the environment, living things respond. In this module, students see how changes in an environment can affect the natural world as they learn the importance of being eco aware.

Plants and animals live in many different habitats such as the forest, desert, ocean, pond, or farm. Although these habitats may look very different, they all meet the needs of the plants and animals that live there. This module introduces students to different types of habitats and the living things that are found in them.

All living things need energy to live and grow. Most plants get their energy from sunlight whereas people and other animals get their energy from the food they eat. This module explores the relationships between living things and the energy sources they need to thrive.

Chemistry laboratory for science experiments depicting part of the science curriculum

Other Resources Related to Second-Grade Science

If you are intrigued by the lesson plans of first-grade science, you might also check out:

Lesson plans for other grade levels of science

Other subjects and topics for second grade

Online Curriculum for Homeschool, Afterschool and Summer Use

Sign up for Let’s Read English and access various educational materials that will involve and challenge your children to succeed. Make Let’s Read English as a part of their online school resources. I want to learn more about online school curriculum in Let’s Read English or employ the program for afterschool enrichment.