Science
Around the US
magic tree house
Dino
Solar system
100

Water changes from a liquid to a gas during this process.

What is evaporation?

100

This river is the longest in the United States, flowing over 2,300 miles.

What is the Missouri River?

100

This brother and sister duo are the main characters who go on adventures in the Magic Tree House.

Who are Jack and Annie?

100

This "king" of the dinosaurs had teeth the size of bananas.

What is Tyrannosaurus rex?

100

Once considered the ninth planet, this dwarf planet shares its orbit with icy objects in the Kuiper Belt.

What is Pluto?

200

This type of rock forms from cooled lava or magma.

What is igneous rock?

200

This U.S. state is known as the “Sunshine State.”

What is Florida?

200

Jack’s favorite subject, which helps him solve many problems during their adventures.

What is reading or books?

200

Despite its name meaning “three-horned face,” this herbivore had only two true horns above its eyes.

What is Triceratops?

200

This planet spins on its side and has rings that go vertical compared to the rest.

What is Uranus?

300

This process breaks down rocks into smaller pieces, often caused by wind, water, or ice.

What is weathering?

300

This U.S. state is so famous for potatoes that it even puts them on its license plates.

What is Idaho?

300

this helpful character gives Jack and Annie missions to complete during their adventures.

Who is Morgan le Fay?

300

This enormous, long-necked dinosaur could grow over 80 feet long and weighed as much as 10 elephants.

What is Brachiosaurus?

300

This planet has a day longer than its year and is covered in thick clouds of acid.

What is Venus?

400

he primary cause of tides on Earth’s oceans

What is the Moon’s gravity?

400

This U.S. state contains the southernmost point in all 50 states.

What is Hawaii?

400

in the first book, Jack and Annie travel back to this ancient civilization

What is Ancient Egypt?

400

Paleontologists believe this dino may have had feathers and was the inspiration for birds.

What is Velociraptor?

400

what is the name for the biggest moon of saturn

what is Titan


500

this liquid layer inside the Earth is made of molten iron and nickel and lies just below the mantle.

What is the outer core?

500

The United States bought this large area from France in 1803, doubling the size of the country.

What is the Louisiana Purchase?

500

The Magic Tree House series was written by this author.

Who is Mary Pope Osborne?

500

This group of flying reptiles lived with dinosaurs but weren’t actually dinosaurs.

What are pterosaurs?

500

This invisible boundary marks where the Sun’s solar wind is stopped by the interstellar medium, often considered the edge of the solar system.

What is the heliopause?