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Check. Information that reaches the brain

Remember what you have studied in this section and answer the questions: State what kind of stimulus is found in each case: physical or chemical. Research and write the location of the receptor for each…

Earthquakes

3.1. What is an earthquake? An earthquake is when the ground vibrates or shakes. It can last from a few seconds to a few minutes. The focus of an earthquake, also called the hypocentre, is the point…

Matter: atoms, molecules and crystals

4.1. Atoms and their structure The earliest theories on atoms Over two thousand years ago, some Greek philosophers thought that matter was made up of tiny particles which could not be broken down or…

Check. Forms of energy

Reorder the words to make questions and ask them to a classmate: Burn substances what thermal produce when energy they ? Type energy stored of in a is battery what ? Heat what of is iron used to kind an…

Check. Heat and temperature

Remember what you have studied in this section and answer the questions: What does a body's temperature indicate? What does thermal equilibrium mean? Name two temperature scales. With a classmate,…

Magnitudes, unidades y medidas

Conjunto de ejercicios para aprender a comprender los conceptos de magnitud, unidad y medida.

Expresiones algebraicas

Conjunto de ejercicios para aprender a formular y comprender las expresiones algebraicas.

La tabla periódica

Actividad para estudiar la tabla periódica, los elementos que la forman y sus características. Incluye teoría y ejercicios prácticos.

La era de internet

Webquest sobre la globalización y el boom de las tecnologías de la información. Los alumnos deben preparar en grupo un debate televisado en el que se discuta sobre las ventajas y los inconvenientes…