Iowa Science

What is a Thin shell structure?

• ^{They are lightweight constructions using shell elements}

• ^{A structure that is very thin, like paper}

• ^{A shell structure that is very thin and strong.}

What type of structure is a tent?

• ^{A mass structure}

• ^{A frame structure}

• ^{A shell structure}

What type of structure is most likely to fail because its outside walls were tilted slightly by an earthquake?

• ^{A mass structure}

• ^{A frame structure}

• ^{A shell structure}

What is a mass structure?

• ^{Mass structure is a structure , you hollow until made}

• ^{A mass structure is a structure, natural or manufactured, that is made by digging into materials.}

• ^{A structure that is natural or manufactured, made by piling up of materials}

Tags

NGSS.MS-PS2-4

What does structure mean?

• ^{A form of something}

• ^{A arrangement of and relations between the parts or elements of something complex}

• ^{A shape}

Tags

NGSS.MS-LS4-2

NGSS.MS-PS1-1

What is that saying about Aesthetics?

• ^{Aesthetics is a study of beauty in art and nature}

• ^{Aesthetic is the beauty of the world}

What types of things do you think designers consider when choosing materials?

• ^{must not match the structure it should be unique}

• ^{Can not be combined or it will ruin it}

• ^{Can be combined by using the right property, most match purpose of the structure}

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What does tension mean?

• ^{Means a lot of stress that they can't handle}

• ^{It means pulling and stretching}

Why do the winds in a tornado cause so much damage?

• ^{Because they hit a lot of houses, and they have a high source of wind power, that it destroys homes, etc}

• ^{Because winds i a tornado produce twisting, bending, and compression forces so strong that no structure can escape damage}

• ^{Because it twists and turns and creates a lot of damage, that the power of its wind blows stuff away}

If you overload an elevator by 100 kg, what do you think would happen?

• ^{I think nothing would happen, because it can hold more then the space in it}

• ^{I think that the elevator would crash to the ground, because it can't hold that many people/ pets, but they live when they crash}

• ^{I think it would stay stable for the first couple people start going up r down and get stuck , because there's to much weight}

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4