Travel & Discovery
We used a GPS to find the fastest ___ to the mountain.
route journey distance
route
Camouflage helps animals ___ from predators.
attack hide escape
hide
Major cities often ___ talented workers from all over the world.
ignore attract ban
attract
Scientists believe dinosaurs went ___ after a massive asteroid hit Earth.
extinct ancient endangered
extinct
Which word is the adjective? 'The powerful king made new rules.'
king rules powerful
powerful
The travelers visited ___ ruins that were built thousands of years ago.
modern ancient ordinary
ancient
A chameleon can change its shape to match these ___ on its skin.
muscles shapes patterns
patterns
The shopping ___ is the busiest part of the city.
nation region district
district
A ___ is an animal that eats meat from creatures that are already dead.
hunter scavenger paleontologist
scavenger
Scientists ___ examined the fossilized teeth.
careful carefully care
carefully
Amelia Earhart's final ___ was supposed to take her all the way around the world.
goal route journey
Strong ___ help animals move quickly or stay very still.
patterns bones muscles
muscles
The water ___ explains how water moves from ocean to sky and back.
process cycle system
cycle
A ___ is a scientist who spends years studying fossils.
archaeologist biologist paleontologist
paleontologist
Which modal shows obligation? 'Astronauts ___ wear special suits in space.'
might can must
must
Her ___ became one of the biggest mysteries of the twentieth century.
disappearance discovery response
disappearance
The leaf insect's ___ makes it look like a real leaf.
behavior ability appearance
appearance
All living things, from whales to bacteria, are called ___.
citizens species organisms
organisms
For a long time, why dinosaurs disappeared was a ___.
discovery mystery legend
mystery
Which modal shows possibility? 'If you saw a Pterosaur today, it ___ take off from a cliff.'
must might should
might
As the plane ___ the island, the radio signal became much stronger.
disappeared departed approached
approached
Camouflage is an important ___ for living in the wild.
ability appearance survival
ability
Every ___ in the town has a responsibility to keep the park clean.
scientist citizen tourist
citizen
The Tyrannosaurus Rex was a ___ hunter that used its sharp teeth to catch prey.
gentle curious fierce
fierce
Out of nowhere, it ___ started to rain heavily.
sudden suddenness suddenly
suddenly