Oracions subordinades adjectives

Complete. The table

Complete the table:

Interpret. Electric cable

Look at the picture and answer the questions: What metal is used to make the leads for electrical appliances? What two characteristic properties of metals make this metal suitable for this use?

Calculate. Matter and its properties (1)

84 g of nitrogen reacts with hydrogen to form 102 g of ammonia. Calculate the mass of the hydrogen required for the reaction. g of hydrogen.

Summaries - Motion and forces

1. Motion A moving object is any object which changes position over time. A trajectory is a line which connects the different positions occupied by a moving object. A trajectory can be: rectilinear,…

Effects of heat on bodies (II)

4.1. Expansion The term expansion refers to the increase in a substance's volume. This causes a reduction in the substance's density. The opposite effect is called contraction. The particles…

Complete. The anomalous expansion of water

Complete the text on the anomalous expansion of water: density – increase – expands – freezes – water– float – volume Almost all substances in size when they get hot and when they cool.…

Final Autoevaluation T12 04 - Waves. Light and sound

Answer these questions: How far does light travel through water in 10s? d = km How far does sound travel through air in 30s? d = km

Final Autoevaluation T12 08 - Waves. Light and sound

Match the item to its characteristic of sound: 60 decibels   →    High pitched   →    A very loud sound   →    Piano   →    120 decibels   →    Bass…

The life of a labourer

In Baena, ten or twelve people died of starvation daily. Large groups roamed the streets for bread, the jails filled with thieves, who were left to make their statements without guards, but they all…