Learn to discover the starch in a leaf and see how stomata function

1. Objective: to discover if starch is present in a leaf Plants store the glucose made during photosynthesis as starch. To test this hypothesis, a leaf will be examined for the presence of starch.…

Did you know?

The mass of an object does not change when you move it from one place to another or take it to the Moon. But weight does vary, because the magnitude of gravity on Earth is not constant at 9.8 m/s2…

Learn. Noise pollution - Waves. Light and sound

Noise pollution Noise pollution is when there are sounds that are too intense and prolonged in a certain place. For example, sounds with an intensity higher than 55 decibels make it difficult for people…

Final Autoevaluation T12 07 - Waves. Light and sound

Answer: Name the primary colours. What are the primary colours of pigments? What color is obtained by mixing the colour red with green? What colour is obtained by mixing the colour magenta and cyan?

Final self-evaluation T05 03 - Society and industrialisation in 19th cen...

Match each sentence with the correct subject: Social tensions explode in acts of violence, robbery, setting fire to fields, etc., while Luddite movements attack factories and machinery. The social life…

Check. The consequences of colonisation

Remember what you have studied in this section and answer the questions: How were local landscapes affected by the process of colonisation? What were the negative effects of improved health and…

Match. The start of the war

Match each sentence with the correct concept: Offensive against Russia launched by Hitler in 1941. Huge German air force bombing of many English ports and cities. Members of the civilian population who…

Final evaluation T10 01 - A time of conflict in Spain (1902-1939)

What did the reform projects of the liberals and conservatives after the 1898 crisis consist of?

Find out more. Women in Spain today

Over the past 25 years, women's participation in Spain's political, social and working life has increased dramatically. The Constitution defends gender equality and condemns gender…

Panorámica de la literatura del siglo XX