Science Facts for 14-Year-Olds

What is the flow of electric charge called?

• power movement

• electricity flow

• electric current

• charge stream

Which layer of the Earth is made up of solid iron and nickel?

• Mantle

• Crust

• Inner core

• Outer core

What is the powerhouse of the cell?

• Ribosome

• Mitochondria

• Nucleus

• Golgi Apparatus

What is the SI unit of force?

• Joule

• Meter

• Newton (N)

• Kilogram

What is the process of plants making their own food called?

• Germination

• Photosynthesis

• Respiration

• Chloroplast

What is the unit of electric current?

• A

• C

• D

• B

Which layer of the Earth is the thickest?

• outer core

• mantle

• core

• crust

What is the study of living organisms called?

• biology

• geography

• physics

• chemistry

What is the law that states 'Every action has an equal and opposite reaction'?

• Einstein's Theory of Relativity

• Boyle's Law

• Newton's Third Law

• Archimedes' Principle

What is the process of converting light energy into chemical energy in plants called?

• Photosynthesis

• Respiration

• Chlorophyll

• Photolysis