Why did Leo want a homework machine?
He hated doing homework.
Why did Leo's teacher get mad at him?
His homework machine completed the homework incorrectly.
What epiphany did Leo have at the end of the story?
He realized that doing homework helps us learn.
Who was Ardi?
The skeleton of a primate/An early human ancestor
True or False: Ardi is 100 years old.
False! Ardi is 3.2 million years old.
Why are glaciers melting?
Climate change/global warming
When glaciers melt, where does most of the water go?
The ocean.
What did the Rosetta Space Probe orbit around
A comet
True or False: The water on a comet is the same as the water on Earth
False!
A person who is related to you but lived long ago.
Ancestor
A task or job that a teacher tells you to do. Another word for homework.
Assignment
When all the members of a species are dead
extinct
A complete change in appearance or form
metamorphosis
The moon ( orbit / orbits ) around the Earth
orbits
Caterpillars ( become / becomes ) butterflies
become
Dinosaurs are ( extinct / extincts )
extinct
