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This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

This video explains how to round decimals.

This online resource discusses the importance of the ocean, the layers and composition of the ocean and how it moderates climates.

This YouTube video explores both passive and active solar energy.

This online resource introduces the geocentric and heliocentric models. Exoplants, planets and their motions, planetary orbits, the role of gravity and how the solar system was formed are also covered. 

This short YouTube video introduces you to the planets which make up the solar system.

This fascinating video details the journey that a group of friends made in Nevada. Their aim was to illustrate the solar system to scale.

This is an online activity providing you with exercises in sorting decimals from least to greatest.

This YouTube video investigates the structure and composition of the sun.

Video 1: Strategies for subtracting decimals
Online activity 1: Subtracting decimals (tenths)
Video 2: Subtracting decimals (hundredths)
Video 3: More advanced subtraction strategies with hundredths
Online activity 2: Subtracting decimals (hundredths)