Sun, Moon, and Earth
Earth’s Surface
Earth’s Resources
Living Systems and Environment
Organisms and Variations
100

This bright object lights up our day and is a big ball of burning gas.

The Sun

100

What are large bodies of salt water that cover most of Earth's surface?

Oceans

100

What do we call natural resources like trees, water, and sunlight that can be used again?

Renewable resources

100

What do we call green plants that make their own food using sunlight?

Producers

100

What do we call a baby frog before it grows legs?

Tadpole

200

What are the different shapes the Moon seems to go through each night called?

Phases

200

What landform is taller than a hill and can be rocky or snowy?

Mountain

200

What do we call resources like coal, oil, and gas that can run out?

Nonrenewable resources

200

What is the place called where an animal or plant lives?

Habitat

200

What are differences between animals of the same kind, like spots on a leopard?

Variations

300

How long does it take Earth to travel all the way around the Sun?

One year / 365 days

300

Where does a river usually flow into?

A lake or ocean

300

What metal do we get from Earth that is used to make cans and foil?

Aluminum

300

What do we call animals that eat only plants?


Herbivores

300

What do we call traits passed from parents to their babies?

Inherited traits

400

What do we call it when Earth spins on its axis once every 24 hours?

Rotation

400

What are slow-moving sheets of ice that carve out valleys and shape the land?

Glaciers

400

What is it called when we turn old paper or bottles into something new?

Recycling

400

What do we call a group of the same animals living in one area?

Population

400

What do we call a trait, like a giraffe’s long neck, that helps an animal survive?

Adaptation

500

What happens when the Moon blocks the Sun and casts a shadow on Earth?

A solar eclipse

500

What is the sudden event that shakes the ground when tectonic plates move?

Earthquake

500

What resource powers solar panels and comes from the Sun?

Sunlight / Solar energy

500

What do we call the process that moves energy from the Sun to plants to animals?

Food chain

500

What do we call a behavior like a lizard dropping its tail to escape danger?

Defense mechanism