To change from a solid to a liquid.
Melt
A machine with a long arm that can move heavy objects.
Crane
A hard, strong metal made mostly of iron.
Steel
What is an informational text?
Non-fiction / A text that gives true facts and information about a topic.
To put or bring two or more things together.
Join
A container that is used to give shape to something that is poured into it.
Mold
A hold in something that lets water, gas, or other things pass in or out.
Leak
In "Building Bridges," what kind of bridge can rise up and curl into a circle?
A rolling bridge
To keep something steady by keeping weight equal on all sides.
Balance
A structure that supports and forms the shape of something. (Like a skeleton)
Frame
A thin, flat piece of something, such as cloth or paper.
Sheet
In "Building Bridges," why do arch bridges have big arches?
So boats can go through.
A synonym of "guard."
Protect
The synonym of "part."
Section
To life or raise something up, often using ropes or a machine like a crane.
Hoist
In "Building Bridges," why was the Golden Gate Bridge painted joyful orange?
So that boats can see it in the fog.