How do we hear?

Resource designed to help us improve our reading skills. We read a text that explains the process of hearing, and then we answer the questions. We need to sign in to view the resource.

How our muscles work

How do muscles move? We use muscles to produce movement, force or both things. This happens when our muscles contract (become shorter and thicker). Muscles are attached to bones by tendons. When a…

How many marbles?

Resource consisting of a mathematical problem which we have to solve. We are provided with the solution.

How many coins?

Resource consisting of a mathematical problem which we have to solve. We are provided with the solution.

How are folds formed?

For a rock to bend without breaking, certain conditions are necessary during the process of deformation: The rock must be under great pressure and at a very high temperature. This gives the rock a…

How mixtures are separated

Evaporation. During evaporation, the liquid evaporates and the solid crystallises. Salt is separated from seawater at a salt factory using this method. Filtration. In filtration, the mixture is poured…

How to Mind Map

Discover how to Mind Map with this simple step-by-step video guide for educators and students.

how meiosis work

How the heart works

The heart pumps blood into the arteries when its muscular walls contract. Each cycle of contractions is called a heartbeat. Young people have between 70 and 90 heartbeats a minute. When the heart…

How paper is recycled

Paper is taken from the bin and deposited in a large recycling container along with paper from other recycling bins. The paper is taken to a recycling plant where it is separated into types and gra...