Invertebrates lack this
Backbone
Name the star closest to the sun
The sun is a star or Alpha Centauri 4.3 light years away
This rainforest produces more than 20% the world's oxygen supply.
The Amazon
There is enough of this in the average person’s body to stretch from the sun to Pluto and back — 17 times
What is DNA?
The average adult does this 20,000 times per day
breaths
What mammal produces the loudest sound on earth
A blue whale
The footprints on the Moon will be there for 100 million years because space lacks this
Wind
What is the smallest country
Vatican City
This is the most abundant element in the universe
Hydrogen
Which sense does not work while you sleep
smell
These animals plant thousands of new trees each year by merely forgetting where they put their seeds.
What are squirrels?
Name the best theory why Jupiter has 49 moons
It`s gravity attracts asteroids from the asteroid belt
Name the 4 states you could stand in all at one time
Arizona, New Mexico, Colorado, and Utah
Energy from food is usually measured in joules or
Calories
Ounce for ounce, which bone is stronger than steel
Femur
The process by which plants use sunlight to convert carbon dioxide and water into sugars and oxygen
Photosynthesis
Why would you not be able to walk on Jupiter, Saturn, Uranus, or neptune
No solid surface
what is the reason no life can live in the dead sea
high salt concentration
The Earth's core is composed primarily of what substance?
Iron-nickel alloy
Which body parts never stop growing
Ears and nose
Bees are particularly sensitive to type of light
ultraviolet light
What is the largest manned object ever sent into space.
The International Space Station
This is the deepest trench in the ocean
What is Marianas Trench? 36,200 ft
What force keeps objects in motion
Momentum
Cholecystitis affects what part of the human body
Gall Bladder