Results

Plant cells have a cell wall in addition to a cell membrane, whereas animal cells have only a cell membrane. Plants use cell walls to provide structure to the plant. Plant cells contain organelles called chloroplasts, while animal cells do not. Chloroplasts allow plants to make the food they need to live using photosynthesis.

This online resource discusses the distribution of earth's water.

This YouTube video will guide you through a fun activity where you will draw the earth's continents and oceans.

Overview of animal and plant cells. Topics include cell walls, vacuoles, chloroplasts, peroxisomes, lysosomes, mitochondria, etc.

This YouTube video explains how river basins are formed.

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

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.

This online resource investigates the features and topology of the ocean floor, the effects of wave erosion and the landforms created by coastal depositions.

This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam. 

This 11 minute long YouTube video describes the various causes and types of water pollutants.