Science

Grade 7 Science Units

Structures

Students examine the relationship between structural forms and the forces acting on them. They learn about frame and shell structures and examine how the centre of gravity of a structure affects its stability. They deepen their learning on the role of symmetry in structures, the suitability of materials, and factors that contribute to a structure’s failure. Students assess environmental, social and economic factors that need to be considered when designing and building structures, and evaluate ergonomic designs for tools, objects and work spaces.

Heat

Students are introduced to the concept of heat as a form of energy in the Earth’s natural systems and explore different ways heat can be transferred in solids, liquids and gases. They begin to make connections between heat, particle theory, and the movement of particles. Through their investigations, students assess the environmental impacts, including those related to climate change, of energy transformations resulting in heat from renewable and non-renewable sources.

Substances and Mixtures

Students learn about particle theory and the properties of pure substances and homogenous and heterogenous mixtures. They analyse factors that affect the rate at which a solid substance dissolves in a liquid solvent to determine the concentration of a saturated solution. Learning is expanded by understanding the processes used to separate mixtures. Students also assess the environmental and social impacts of the use and disposal of various pure substances and mixtures.

Interactions in the Environment

Students are introduced to the concept of the ecosystem by examining the interactions of living organisms and their natural habitat. Analysis of the natural life of matter and energy in ecosystems and their importance in maintaining balance in an ever-changing environment is a key focus. In addition, students look at the impacts of human activities contributing to climate change locally and globally.

Supporting Your Child in Science:

Science is important to how our world works and can be found all around us. By showing an interest in what your child is learning, you can make an important contribution to your child’s educational success.You can help your child make connections between what they learn in school and everyday experiences at home and in the community. Here are some ways to spark your child’s curiosity:

look for examples, such as how tools and other technologies make our lives easier and help us discover how things work
go on nature walks and discover plants and animals
observe the changing seasons and weather patterns
talk with your child about how science can support their health and well-being
look for buildings and machines to explore and discuss wherever you find them – when driving, passing farms or factories, or taking public transit
explore career opportunities that rely on science and technology skills and look for role models

More information can be found at: https://www.dcp.edu.gov.on.ca/en/science-tech-overview

Program descriptions from: https://www.dcp.edu.gov.on.ca/en/science-tech-overview/learning-by-grade

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