It may sound obvious but flooding occurs due to a sudden increase in the amount of water travelling down a river, and can happen for a number of reasons: a rapid snowmelt, a prolonged period of heavy rain, a sudden … Read More

The rainforest

If you’ve looked at the sheet on the living world you’ll now be well versed on biomes. Now we’re going to look at one in more detail: the rainforest. The tropical rainforest ecosystem is located in a band either side … Read More

The living world

Obviously you can’t know everything about the living world! No one does and who knows how long that exam would be! So we’ve condensed it down into the bits that you do need to know – phew. The world has … Read More

Tectonic hazards

Before we get into talking about tectonic hazards, we must first understand the composition of the Earth – that might sound cool, but it’s actually unbelievably hot! So here goes: the dense core of the Earth is surrounded by a … Read More


In this section we’re going to look at two main calculations. Firstly, how to calculate the percentage of a number and secondly how to add or subtract a percentage. A percentage is a fraction of 100. 30% (30 in each … Read More


So fractions, you may think they can be a bit scary at times but once you get your head round them, they’re very useful and really not that bad. Fractions can be used to show numbers that are not whole, … Read More

Fractions and decimals

In honestly when it comes to fractions and decimals getting all mixed together they can be a bit of a headache to deal with! In this section we’re going to go over some of the most common examples of working … Read More


In this section we’re going to focus on two key principles when it comes to decimals. The first being rounding to a set number of decimal places, and the second being upper and lower boundaries. So, rounding to decimal places … Read More

Whole numbers

It may seem pretty obvious to be looking at numbers when studying maths, but in this section we’re going to go over some of the basics before we get into the nitty-gritty of GCSE Mathematics. The first thing we’re going … Read More

The Earth’s Core II

So there is a lot to learn when it comes to the surface of the earth and its crust and core, however it’s also pretty cool! Well technically it’s extremely hot, but you get my drift. Firstly we’re going to … Read More