Challange questions for grade 8

• 6

• 231

• 9

What symbol is this Ω write on the drawing area

Plants get food from performing

• equal = mass cup square

• energy = mass speed square

• energy = momentum speed squared

• equal = momentum core square

Draw the equation for photosynthesis

What is the chemical formula for Sodium hydroxide

• Na

• N

• NaOH

• SO

Full form of RNA

• Ribonucleic acid

• Deoxyribonucleic acid

• Ribosomes

• Acid

Definition of a compound

When did Einstein publish his theory of special relativity

Formula to calculate the circumference of a circle