Science & Space
This process allows plants to convert sunlight, carbon dioxide, and water into food and oxygen.
What is photosynthesis?
Flowing through South America, this is the largest river in the world by volume of water.
What is the Amazon River?
A person, place, thing, or idea is classified as this part of speech.
What is a noun?
In the fraction 3/4, the bottom number (4) is known by this name.
What is the denominator?
Ancient Egyptians built these huge, triangular stone structures as tombs for their pharaohs.
What are pyramids?
It is the hottest planet in our solar system, even though it isn't the closest to the Sun.
What is Venus?
This imaginary line around the Earth marks 0 latitude.
What is the Equator?
The comparison of two unlike things using the words "like" or "as" is called this figure of speech.
What is a simile?
This is the distance around the outside edge of a shape.
What is perimeter?
This ancient country hosted the very first Olympic Games to honor their gods.
What is Greece?
Animals with a backbone are called vertebrates, while animals without a backbone are called this.
What are invertebrates?
This is the largest ocean on Earth, covering more than 30% of the planet's surface.
What is the Pacific Ocean?
In Rick Riordan's popular book series, Percy Jackson discovers he is the son of this Greek god of the sea.
Who is Poseidon?
An angle that measures less than 90 degrees is given this "cute" name.
What is an acute angle?
The ancient Romans built these long bridge-like stone structures to carry fresh water into their cities.
What are aqueducts?
Water, ice, and wind breaking down rock into smaller pieces over time is called this process.
What is weathering (or erosion)?
These large masses of land make up Earth's surface—there are 7 of them in total.
What are continents?
Words that sound like the noise they describe—such as buzz, bang, or pop—are examples of this literary device.
What is onomatopoeia?
The answer you get when you subtract one number from another is called this.
What is the difference?
Before humans learned to farm, they got their food by hunting animals and doing this.
What is gathering?
This invisible force pulls objects toward the center of the Earth and keeps our feet on the ground.
What is gravity?
This is the coldest, driest, and windiest continent on Earth, located at the very bottom of the globe.
What is Antarctica?
This perspective in storytelling uses pronouns like he, she, and they to describe the actions of the characters.
What is third-person point of view?
A polygon with six sides is called this shape.
What is a hexagon?
This famous trade route connected China to Europe, named after a popular fabric made from caterpillars.
What is the Silk Road?