science week contest #1 - S4

Which one is not a simple machine?

• The lever

• The wheel

• The inclined plane

• The stairs

What cannot be created nor destroyed?

• Energy

• Work

• Force

From an atomic point of view, we are billions of years older

• True

• False

What would be a good example of primary consumer?

• A Carnivore

• A Decomposer

• A Herbivore

• A Predator

What atoms cycles from rocks to life forms?

• Carbon

• Hydrogen

• Nitrogen

• Oxygen

What is the smallest unit of life?

• Atom

• Molecule

• Cell

• Organelle

How do we call the diagram that summarises all the relationships in an ecosystem?

• Trophic web

• Trophic chain

• Biotic factos

• Classification

To measure electricity we use a...

• Dynamometer

• Multimeter

• Electricitymeter

What human activity has a great impact on the environment?

• Food industry

• Travel industry

• Clothing industry

• Packaging industry

What is the carbon footprint?

• The sum of all the carbon emission of someone/something

• The consequence of deforastation

• The carbon cycle diagram

• The production of industrialized carbon