Structures & Forces Unit Review

A structure is...

• made up of one or more parts

• large or small

• provides support

• all answers are correct

The three structural forms are:

• triangle, square, arch

• shell, frame, mass

• shell, triangle, dome

• triangle, square, rectangle

The human skeleton is a __________ structure.

• frame

• shell

• mass

• hollow

A student who was studying for a test remembered the different models the teacher used in class to identify the different kinds of structures. When the teacher made a tent-like position with their hands, the student remembered it represented a…

• mass

• shell

• frame

• solid

Piling materials into a particular shape or design makes a mass structure. Which of the following are examples of a natural mass structure?

• Dams and mountains

• Brick walls and coral reefs

• Ice sculptures and sand castles

• Mountains and sand castles

Which of the following is an example of a frame structure?

• Hockey puck

• Hockey net

• Hockey pads

• Hockey skates

Egg cartons, food cans, bottles and pipes are examples of…

• Manufactured shell structures

• Natural shell structures

• Manufactured frame structures

• Natural frame structures

Spider webs are examples of structures that can hold up to 4000 times the weight of the spider that made it. The spider web is a…

• Solid frame structure

• Solid shell structure

• Natural shell structure

• Natural frame structure

All of the following structures can be classified as manufactured except a…

• Jigsaw puzzle

• Spoon

• Feather

• Fishing net

Each manufactured structure can be paired with a natural structure it is based on. Which one of the following pairs is correct?

• webbed feet and flippers

• mushrooms and webbed feet

• webbed feet and umbrella

• egg carton and webbed feet