Structures: Grade 3 Unit

1. What is a structure?

• Something that holds a load.

• Something that animals make.

• A structure is something with a certain size, shape, purpose, and can hold a load.

Structures can be either man-made or found in _________.

• Nature

• School

• Buildings

• Space

Which is NOT a material?

• Air

• Wood

• Plastic

• Mud

The ____________ of a structure is like it's bones.

• Foundation

• Frame

• Roof

• Walls

A ________ is a push or pull that causes a structure to change shape.

• Force

• Structure

• Material

• Frame

A structure that keeps its shape and balance is a ___________ structure.

• Man-made

• Stable

• Weak

• Crazy

It is important for most structures to be strong.

• True
• False

Click the 3 natural structures.

• birds nest

• spider web

• tree house

• cave

This is an example of a raw material.

• Wood

• Glass

• Clothes

• iPad

Certain shapes strengthen structures. 

• True
• False