Results

Patterns and processes of evolution. How evolution and natural selection are reflected in the similarities and differences of organisms. 

Part 1: Comparing like and unlike fractions
Part 2: Examples of comparing like and unlike fractions
Part 3: Common mistakes made when comparing fractions

Concept of density. This YouTube video will provide information about the concept of density. It’s great to use as an introduction to the topic or as a way to summarise the topic.

Density of a solid for a regular shaped body. Definition, meaning and its simple calculation

Fraction comparison with lowest common denominators.

This video explains how to order fractions by their size.

Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. Transfers of matter into and out of the physical environment occur at every level. Decomposers recycle nutrients from dead plant or animal matter back to the soil in terrestrial environments or to the water in aquatic environments. The atoms that make up the organisms in an ecosystem are cycled repeatedly between the living and nonliving parts of the ecosystem.

YouTube video that explains how to use prime factorization to find the highest common factor and lowest common multiple. It is very simple using the method described in the video.

This diagram, Vernier scale use 0.02 scale measurement is 19.44 mm, illustrates how to read the length of the given object using vernier calliper.

We can analyse the arrows in a food web to identify producers, primary consumers, secondary consumers, and decomposers.