10 Things We Didn't Know 100 Years Ago

10 Things We Didn't Know 100 Years Ago

Assessment

Interactive Video

Science, Physics, Chemistry

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores ten major scientific discoveries of the 20th century, including the identification of neutrons, the structure of DNA, the role of vitamins, the development of antibiotics, the vastness of the universe, the abundance of hydrogen, tectonic plate theory, human origins in Africa, the impact of CFCs on the ozone layer, and the validation of Einstein's theories. These discoveries have significantly advanced our understanding of the world and the universe.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the key discovery about atoms made in the 1930s?

Atoms have a nucleus made of protons.

Atoms are indivisible.

Atoms contain negatively charged electrons.

Atoms contain uncharged particles called neutrons.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who were the scientists that contributed to the discovery of DNA's double helix structure?

Marie Curie and Louis Pasteur

Isaac Newton and Galileo Galilei

Rosalind Franklin and Maurice Wilkins

Albert Einstein and Niels Bohr

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What vitamin was discovered to prevent scurvy?

Vitamin D

Vitamin B

Vitamin A

Vitamin C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientist is credited with the discovery of penicillin?

Marie Curie

Gregor Mendel

Louis Pasteur

Alexander Fleming

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Edwin Hubble discover about the universe?

The universe is shrinking.

The universe is expanding and contains many galaxies.

The universe is contained within the Milky Way.

The universe is made entirely of dark matter.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What theory suggests that modern humans originated from Africa?

Pangaea theory

Multiregional hypothesis

Continental drift theory

Out of Africa theory

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What environmental issue is caused by CFCs?

Global warming

Ozone layer depletion

Acid rain

Deforestation