A very large wave
Tidal wave
A dirty black substance from a fire
Soot
An animal that eats only plants
Herbivore
A mass or rock that moves in space
Asteroid
When a species disappears
Extinction
A large round hole in the ground
Crater
An animal that eats other animals
Carnivore
Small pieces left when something is destroyed
Debris
People have been traveling into space on ___________ for over 50 years.
spacecraft
The first person who traveled to _______, the area outside Earth's atmosphere, was Yuri Gagarin, in 1961.
outer space
In the 1970, the first ________ was developed, a vehicle that could go to space and return several times.
space shuttle
A _________ is a compartment or cabin where astronauts live during a space flight.
space capsule
In the 1990s, the US, Russia, Japan, and Europe, built the ________ to discover more about human life in space.
zero gravity
One of the effects of living in ____________ (ISS) is that people get taller!
International Space Station
