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The force of gravity acts on an object, causing it to accelerate towards the earth. As it’s velocity increases the drag force (friction) exerted on it by the air increases. When the two forces on the obje...

The cell wall, chloroplasts and vacuole are found in plant cell rather than animal cells. These components are know as organells of a cell and these organells for a plant are vital for its functionality a...

When analysing a source there are some easy rules to stick to in order to ensure a deep analysis. Firstly, never take what you're reading or, if it's a picture, looking at at face value. Every source has ...

In order to conduct electricity a substance must have charge particles, such as electrons and ions, that are free to move freely through it. In the solid state, ionic compounds such as sodium chloride hav...

Metallic bonding occurs due to electrostatic forces of attraction between a lattice of positively charged ions and a "sea" of delocalised electrons. (Draw diagram) These electrostatic forces are...