NATURAL SCIENCE REPASO 1º Y 2º TRIMESTRE

Which one is not an abiotic factor?

• Sunlight

• Plants

• Air

• Water

Taiga, rainforest, hot desert, cold desert, etc, are...

Which one is a relationship between individuals of the same specie?

• Protection

• Symbiosis

• Parasitism

• Mutualism

In a food chain, consumers produce their own food.

• True

• False

In mutualism...

• Both are beneficiary

• One is beneficiary and the other, harmed (perjudicado)

• Both are harmed

What kind of mixture can you see?

• Homogeneous mixture

• Heterogeneous mixture

When a stone breacks into small pieces, is an example of...

• Change of state

• Physical change

• Chemical change

A cut apple changing its colour is an example of...

• Oxidation

• Combustion

• Fermentation

What is this?

• A magnet

• An electromagnet

• A generator

• An electric motor

Electricity produces ...