Engineer it
Matter
Environments for living things
Earth's Surface
Changes to Earth's Surface
100

A person who uses math and science to define and solve problems.

Engineer

100

A change when a solid becomes a liquid.

melting

100

The part of a plant which attaches it to the ground and holds it in place.

roots

100

A drawing or model of a place.

map

100

An opening where lava erupts.

volcano

200

A set of steps that helps an engineer define a problem and plan, test and share a solution.

design process

200

A change that can be undone

reversible

200

A place where living things get the food, water, air, and shelter needed to live.

Habitat

200

Part of a map that shows the directions north, south, east, and west.

Compass rose

200

A sudden shaking of the ground.

earthquake

300

An answer to a problem.

Solution

300

Anything that takes up space.

matter

300

Anything that living things, such as plants, need as food.

nutrient

300

A body of water that is bigger and deeper than a pond, surrounded by land, and is usually made up of fresh water.

lake

300

A process that breaks rock into smaller pieces.

weathering

400

A good feature

strength

400

A state of matter that keeps its shape.

solid

400

A sticky powder that flowers need to make seeds.

pollen

400

The movement of water on Earth from Earth into the air and back again.

water cycle

400

A wall by a body of water.

dike

500

A flawed feature

weakness

500

One part of what something is like.

Property

500

Seeds covered in hooks and spines that attach onto an animal’s fur.

burrs

500

Areas with little rain.

deserts

500

A tropical storm with powerful winds and heavy rain.

hurricane