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