Mental Floss
MENU
CLOSE
  • BIG QUESTIONS
  • QUIZZES
  • BIOGRAPHIES
  • LISTS
  • AMAZING FACTS
  • STORE

SECTIONS

  • BIG QUESTIONS
  • JOB SECRETS
  • HISTORY VS.
  • KENNECTIONS
  • LIVE SMARTER
  • QUIZZES
  • RETROBITUARIES
  • SMART SHOPPING
  • #TBT

BIOGRAPHIES

  • AUTHORS
  • SCIENTISTS
  • ARTISTS
  • U.S. PRESIDENTS
  • MILITARY

TOPICS

  • ANIMALS
  • ARCHAEOLOGY
  • ART
  • CORONAVIRUS
  • DIY
  • ENTERTAINMENT
  • FOOD
  • HEALTH
  • HISTORY
  • LANGUAGE
  • OLYMPICS
  • SCIENCE
  • SPORTS
  • TECHNOLOGY
  • TRAVEL

TOPICS

  • ANIMALS
  • ARCHAEOLOGY
  • ART
  • CORONAVIRUS
  • DIY
  • ENTERTAINMENT
  • FOOD
  • HEALTH
  • HISTORY
  • LANGUAGE
  • OLYMPICS
  • SCIENCE
  • SPORTS
  • TECHNOLOGY
  • TRAVEL

TOPICS

  • ANIMALS
  • ARCHAEOLOGY
  • ART
  • CORONAVIRUS
  • DIY
  • ENTERTAINMENT
  • FOOD
  • HEALTH
  • HISTORY
  • LANGUAGE
  • OLYMPICS
  • SCIENCE
  • SPORTS
  • TECHNOLOGY
  • TRAVEL

ABOUT

  • ABOUT US
  • AUTHORS
  • COOKIE POLICY
  • CONTACT
  • CUSTOMER SERVICE
  • PITCH A STORY
  • PRIVACY
  • RSS
  • STORE
  • TERMS
MENTAL FLOSS
ABOUT RSS CONTACT US PRIVACY POLICY COOKIE POLICY TERMS OF SERVICE
FLOOR8 12UP 90MIN
MentalFlossVideo on YouTube @mental_floss on Instagram @mental_floss on Instagram @mental_floss on Twitter
Subscribe to our Newsletter!
SIGN UP NOW
FLOOR8 12UP 90MIN
×
CLOSE

Can You Answer These Fourth Grade-Level Science Questions?

Test your smarts further by tuning in to the premiere of Child Genius: Battle of the Brightest on Thursday, January 7th at 8/7c on Lifetime.

1 of 10

The temperature at which a substance changes from a liquid to a gas is the:

Melting Point
Boiling Point
Condensation Point
Freezing Point
2 of 10

Which of the following is not one of the three major types of rocks?

Metamorphic
Igneous
Sedimentary
Oceanic
3 of 10

What do you call the tubes within the circulatory system that carry oxygenated blood from the heart to the rest of the body?

Veins
Lymph Nodes
Arteries
Venules
4 of 10

Which of the following is not a type of joint found within the human body?

Contraction Joint
Ball and Socket Joint
Hinge Joint
Gliding Joint
5 of 10

The three planets closest to the sun, in order (from near to far) are:

Mercury, Venus, Earth
Mercury, Earth, Mars
Mars, Venus, Earth
Venus, Earth, Mars
6 of 10

Each level within a food chain is called a:

Energy Level
Consumer Level
Nutritional Level
Trophic Level
7 of 10

Which object is the best conductor of electricity? 

Glass Rod
Wooden Stick 
Plastic Straw 
Metal Nail
8 of 10

Which type of organism helps return nutrients from dead plants and animals to the soil?

Producer
Prey
Predator
Decomposer
9 of 10

Which cell part produces most of the cell’s energy?

Vacuole
Mitochondria
Nucleus
Ribosome
10 of 10

Which of the following is not a type of kinetic energy?

Thermal Energy
Electric Energy
Gravitational Energy
Magnetic Energy
YOUR SCORE
25%
SHARE QUiZ

TEST YOUR KNOWLEDGE!

Hero quiz image
QUIZ

Are You Ready to Own a Pet?

Hero quiz image
QUIZ

What's Your Budget I.Q.?

Hero quiz image
QUIZ

What Kind of Saver Are You?

Hero quiz image
QUIZ

The Restaurant Apostrophe Quiz

RETAKE QUIZ NEXT QUIZ
MENTAL FLOSS
ABOUT RSS CONTACT US PRIVACY POLICY COOKIE POLICY TERMS OF SERVICE
FLOOR8 12UP 90MIN
MentalFlossVideo on YouTube @mental_floss on Instagram @mental_floss on Instagram @mental_floss on Twitter
Subscribe to our Newsletter!
SIGN UP NOW
FLOOR8 12UP 90MIN