Animals
Weather
Earth Science
Space
The Human Body
100

What do bees collect from flowers to make honey?

Nectar

100

What are the white flakes that fall from the sky in winter called?

Snow

100

What is the landform shaped like a triangle with a pointed top called?

Mountain

100

What is a group of stars that form a picture in the sky called?

Constellation

100

What part of your body is used to smell things?

Nose

200

What do we call animals that sleep during the day and are awake at night?

Nocturnal

200

What is the amount of water vapor in the air called?

Humidity

200

What is the water that flows across the land into rivers and lakes after it rains named?

Runoff

200

How many planets are in our solar system?

8

200

What is the name of the bone that protects your brain?

Skull

300

What is the tallest mammal on Earth?

Giraffe

300

What is the boundary called where two air masses meet?

A Front
300

What is the most abundant element in the universe?

Hydrogen

300

What is the smallest planet in our solar system?

Mercury

300

What is the only part of the human body that cannot repair itself?

Teeth

400

What is the process of a caterpillar turning into a butterfly called?

Metamorphosis

400

What tool is used to tell which direction the wind is blowing?

Wind vane

400

What is the name of the soil made of broken rocks and decayed plants and animals?

Humus

400

What is the path a planet takes around the Sun named?

Orbit

400

How many bones are in the adult human body?

206

500

What is the term for animals that regulate their body temperature using the environment?

Cold-blooded (ectothermic)

500

What is the name of the scale used to measure the strength of hurricanes?

Saffir-Simpson Scale

500

What is the layer of gases surrounding the Earth called?

Atmosphere

500

What is the name of the planet that has rings made of ice and rock?

Saturn

500

What part of your blood carries oxygen?

Red blood cells