Science year 9

An Ecosystem is a what?

• A large region of Earth that has a certain climate and certain types of living things.

• A region that includes many biotic organisms interacting with each other and the abiotic factors nearby.

What is a abiotic factor?

• Tree

• Dinosaur

• Donut

• Pig

A table is a?

• Abiotic

• Biotic

What energy does a lantern emit?

• Thermal Energy

• Radiant Energy

• Electrical Energy

• Chemical Energy

What is λ?

• Wave speed

• Speed

• Frequence

• Light

What is the Law of conservation of energy?

• Energy cannot be created nor destroyed, only converted from one form to another

• Matter cannot be created nor destroyed, only converted from one form to another

• We cannot be created nor destroyed, only converted from one form to another

• Space cannot be created nor destroyed, only converted from one form to another

These can move through a vacuum

• Light

• Sound

• Thermal

• Radio

What is the order of consumers.

• Producer, primary, secondary, decomposer, tertiary

• primary, producer, decomposer, secondary, tertiary

• producer, primary, secondary, tertiary, decomposer

• decomposer, tertiary, secondary, primary, producer

what is a Compressional wave?

• sound

• Thermal

• Nuclear

• Gravity

Atoms are composed of.

• neutron, retrons, electrons

• uetrons, protons, electrons

• neutron, proton, electron

• Geutrons, lootrons, meletons