Heat Energy Changes – GCSE Chemistry Practice Questions Downloads Introduction Heat is the form of energy that flows from a hotter place to a cooler place, and in chemical reactions, the heat energy is absorbed or released based on the type of reaction. Thus, in Chemistry, the change in heat energy refers to the transfer…
Electrolytic Process – GCSE Chemistry Practice Questions Downloads Introduction The Electrolytic processes are basically a method in which we use electricity to decompose a ionic compound/solution into its constituent elements. The apparatus in which the process occurs is called Electrolytic cell, it involves electrodes, battery and an electrolyte(ionic compound). The process of Electrolysis is used…
Probability – GCSE Maths Practice Questions Downloads Introduction Probability is a branch of mathematics that deals with calculating the likelihood of events occurring. Probability helps us measure and predict the chances of events happening in the real world like- What is a Probability? Probability is a measure of how likely an event is to occur….
Similarity – GCSE Maths Practice Questions Downloads Introduction Similarity of shapes means that the shapes are same but they have different size, with equal corresponding angles and proportional sides. Concept of Similarity is applied in many places like linear algebra and data analysis to measure how much the two objects or datasets are similar. Concept…
Ratios in Algebra – GCSE Maths Practice Questions Downloads Introduction Ratios are number of one thing compared to another thing. (how much one quantity is present with respect to other) Simplification: (Common Factor : 3) If we multiply or divide the ratio’s numbers the ratios still remains the same From this simplification using common factor…
Red-Shift: Origin of the Universe – GCSE Physics Practice Questions Downloads Introduction In Astronomy, redshift is used to describe celestial objects and distant galaxies that are moving away from Earth. Redshift is a phenomenon where wavelength of light emitted from a distant galaxy that is moving away from is shifted towards the red end of…
Renewable and Non-Renewable Resources – GCSE Physics Practice Questions Downloads Introduction Studying Renewable and Non-Renewable Resources is vital because it helps us understand our energy resources. By studying them we get to know that how we can use them wisely. Studying about the differences between Renewable & Non-Renewable resources is crucial so that we can…
Congruence – GCSE Maths Practice Questions Downloads Introduction Congruent shapes are those which have the same shape and size. These shapes can be rotated to look different but remain congruent. The Congruent shapes if are reflections (mirror image) of each other they might look very different. Congruent Triangles Congruent Triangles are those which are same…
Circumference and Area of a Circle – GCSE Maths Practice Questions Downloads Introduction Circle is very important shape in Geometry. Since it is used in various fields its study is important. Understanding the concepts of Area and Circumference of a Circle is crucial as it is applied in real life like Construction and even in…
Sectors of Circles – GCSE Maths Practice Questions Downloads Introduction Circle is very important 2-Dimensional shape in geometry. Sector is a part of circle. Sector’s important characteristics are – A Sector of circle is the portion made by two radii and the arc connecting the ends of those radii. The shape can be viewed as…
