This is the center of an atom.
nucleus
This is the largest ocean on Earth.
Pacific Ocean
A group of lions is called this.
a pride
The hashtag symbol # is also known by this musical name.
sharp
A baby kangaroo is called this.
joey
Humans breathe in this gas to survive
oxygen
Mount Everest lies in this mountain range.
Himalayas
This is the only planet known to support life.
Earth
This common kitchen appliance was accidentally invented while researching radar.
microwave
This is the fastest land animal.
cheetah
This planet is known as the Red Planet
Mars
This river flows through Egypt.
Nile River
The Olympic symbol has this many rings.
five
The “M” in M&Ms stands for these two candy creators.
Mars and Murrie
Blue whales primarily eat these tiny creatures.
krill
This scientist developed the theory of relativity
Albert Einstein
This country has the maple leaf on its flag.
Canada
This instrument measures earthquakes.
seismograph
This part of the body contains the smallest bones.
ear
This bird cannot fly but is the largest bird in the world.
ostrich
The process plants use to convert sunlight into energy is called this.
Photosynthesis
This desert covers much of northern Africa.
Sahara Desert
An octopus has this many hearts.
three
This is the most commonly used letter in the English language.
E
This sea creature has blue blood.
octopus