Chemistry
Pandemics
Biology
Physics
Astronomy
100

Is cutting a tomato a physical change or a chemical change?

Physical Change

100

Did the coronavirus start in 2019 or 2020?

2019

100

What is the cells' protein factory?

Ribosomes

100

Can you use fingernails and pencil rubber to operate a smartphone or ipad?

No

100

One year in Uranus is roughly 84 years in Earth, while one year in Neptune is 165 years in Earth. How many Earth years is the difference between two Uranus years and one Neptune year?

3 Earth years

200

Is soap an acid, base or salt?

Salt

200

Is poliomyelitis caused by the polivirus or the poliovirus?

Poliovirus

200

Are centrioles found in plant cells or animal cells?

Animals Cells

200

Is the sign for Delta a square, triangle or circle?

Triangle

200

How much percent of the Earth is water? Round your answer to the nearest 10.

70

300

Is lemon juice an acid or a base?

Acid

300

Who found the cure for cholera?

John Snow

300

Does the process of photosynthesis take place in the chloroplast or cytoplasm?

Chloroplast

300

What do you call objects with mass attracted to each other?

Gravity

300

Which planet's rings can be seen the clearest out of planets that have rings?

Saturn

400

What is the symbol for sodium in the periodic table?

Na

400

Did the Spanish Flu start in 1818 or 1918

1918

400

Does DNA stand for Deozyribonucleic Acid or Deoxyribonucleic Acid

Deoxyribonucleic Acid

400

Does speed equal velocity or magnitude?

Magnitude

400

Which planet spins in the opposite direction to Earth?

Venus

500

Matters: Solid, Liquid, Gas, E

What is the missing matter?

Plasma

500

Did the Black Death kill approximately 20 million people or 25 million people?

25 million people

500

What is the process for creating sugar and energy?

Photosynthesis

500

How fast does sound travel in an hour?

1230 km

500

How many minutes does it take for light from the Sun to reach the Earth?

8 minutes

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