Self evaluation 1 - Our planet Earth

Complete the sentences with the correct word: The is made up of all celestial bodies and space. Among the millions of that exist is ours, the , which contains our main star, the . The main substance on…

Check. The continents

Review what you have studied in this section and answer the questions: What characteristics of relief does Africa have? Which characteristics of relief predominate in Asia? Where are Europe's…

Match. Environmental impact

Match each of the following facts with an example of environmental impact: acid rain prolongued drought eruption of lava greenhouse effect leak from a pesticide factory tornado nuclear accident…

Self-evaluation 9 - The first civilizations: Mesopotamia and Egypt

Which concept do the following definitions refer to: Process of preparing a dead body for its journey to the afterlife. Large decorated box in which the dead person was put after mummification. Egyptian…

Horror al vacío

El filósofo griego Aristóteles (siglo V a.C.) concibió y elaboró la idea de que no existía el vacío, de que su existencia no era posible. Esta creencia se conocía con la expresión horror vacui.…

Piensa y responde 1

¿Es siempre igual la presión que ejerce un sólido apoyado sobre una superficie?

Evaluación final T05 05 - Presión. Estática de fluidos

¿En qué consiste el principio de los vasos comunicantes?

CONTACTO,INDUCCION,TIERRA.pdf

Resume 3

¿Qué indica la fórmula molecular de un compuesto covalente?

Completa. Números de oxidación

Determina el número de oxidación del cloro en los siguientes oxoácidos: