More Challenging Than You Think
7th Grade Science
History Because Why Not?
Topics From The Year
Level 99 Difficulty
100

 Entomology is the study of what?

What are: 

Insects 

100

What causes an earthquake?

Plate tectonics slowing down and causing friction..

100

What continent is Egypt in?

Africa

100

Name two structures that are unique to plant cells over animal cells.

Cell walls and chloroplasts. (Will accept central vacuole) 

100

When a sperm and egg cell combine the first cell is called this.

What is: 

a Zygote

200

Despite their long necks, giraffes have the same number of neck vertebrae as humans. How many do they have?

What are:


200

Which planet has the most moons?

Jupiter 

200

What month is president's day in?

February

200

The three main shapes of bacteria.

What are: 

Coccus: spherical or round

Bacillus: rod shaped

Spiral: curve, spiral, or twisted

200

List the hierarchy of genetic material, starting from the basic form and moving to more complex.

First we have DNA, the basic level of genetic material 

Then we have long strands of DNA called  Genes 

Then we have the largest forms of genetic materials Chromosomes

300

 What comet, last spotted in 1986, is visible from Earth once every 75 or 76 years?

What is: Haley's Comet
300

When liquid water is in a solid form what is it? 

ice

300

Who was the president that helped the US get out of the Great Depression

FDR

300

These  tiny (microscopic) infectious agents that grow and multiply only inside living cells of an organism.

What are: Viruses 

300

How many hours are in a week?

168 hours

400

Sonar is a technique used to detect objects underwater. What is it short for?

What is: Sound Navigation and Ranging

400

What would you consider the sun?

Star

400

What is the capital of South Dakota?

Pierre

400

Prophase, Metaphase, Anaphase and Telophase + Cytokinesis  

What are: The Stages of Mitosis 
400

How many bones are in the human foot?

What is: 


26

500

Name the company that introduced the first commercially available lithium-ion battery in 1991.

What is: Sony

500

Name a layer of the Earth

Crust, mantle, inner core, outer core

500

Name 3 of the 4 oceans

Pacific, Atlantic, Artic, Indian

500

In the nucleus of each cell DNA is packaged and coiled into threadlike structures called these. 

What are: 

Chromosomes

500

Which insect holds the record for the fastest flying insect in the world?

What is: 

The Dragonfly