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# Science

This course enables students to develop a deeper understanding of concepts in biology, chemistry, earth and space science, and physics; to develop further their skills in scientific inquiry; and to understand the interrelationships among science, technology, and the environment. Students will conduct investigations and understand scientific theories related to: ecology and the maintenance of ecosystems; chemical reactions, with particular attention to acid base reactions; factors that influence weather systems; and motion. Prerequisite: Grade 9 Science SNC1D (Academic)

# Naming

## Compounds use different naming systems and it is important to know when to use each one. # EQUATIONS & REACTIONS

## Complete the synthesis reactions, then balance. (Practice naming the products in your own notes).

$A + B → AB$

# Physics: Light and Geometric Optics

## Remember the following rules when using the lens equation.

$\cfrac{1}{f} \ = \ \cfrac{1}{d_o} \ + \ \cfrac{1}{d_i}$
• do is always positive.
• di is positive for real images, and negative for virtual images.
• f is positive for converging (convex) lenses, and negative for diverging (concave) lenses.

## Remember the following rules when using the magnification equation.

$\text{M} \ = \ \cfrac{h_i}{h_o} \ = \ -\cfrac{d_i}{d_o}$
• ho and hi (height) are positive when upright, and negative when inverted.
• do (distance) is always positive.
• di (distance) is positive for real images, and negative for virtual images.
• M (magnification) is positive for upright images, and negative for inverted images.

# Scientific Investigation and Exploration

### What is the most appropriate scientific unit of measurement for the mass of a turkey? Solution Pounds Ounces Grams Grains The most accepted unit in science is generally based on the metric system. Kilograms are SI units, so grams is the closest and most appropriate. Percent complete:
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