Viruses are living things

Viruses are very tiny living things. They are smaller than cells. All viruses are parasites. When they meet a cell, they enter it and produce more viruses, killing the cell. They can cause many…

Song: Are you sleeping?

Video animation that contains a song. We improve pronunciation and rhythm skills.

What are traditions?

What are traditions?

Who are you?

What are you wearing?

What are you wearing? Speaking bank

What are lenses?

What are lenses? What happens to light during refraction? What can lenses do?

How superstitious are you?

You will hear some questions. As you listen, choose A or B or C or D below. A, B, C, D A, B, C, D A, B, C, D A, B, C, D Look at your answers. The voice on the recording will tell you how to add up your…

When gentlemen are thieves

When gentlemen are thieves

What are Human Rights?

Human Rights are inherent rights that are believed to belong to every person, without discrimination of any kind.

How green are you?

Find out how green you are with this quiz