Grade 9 Online STEM Exam: Exploring 21st Century Skills

NAME

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SCHOOL NAME

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SCHOOL LOCATION

• Trichy
• Sivakasi
• Salem
• kumbakonam,
• Karur

GRADE

• IV
• V
• VI
• VII
• VIII

Section

• A
• B
• C
• D

What does "3D modelling" involve?

• Scanning physical objects
• Creating digital representations of objects
• Designing software interfaces
• Printing objects in 2D

Which term describes the process of adding layers to build a 3D model?

• Layering
• Etching
• Slicing
• Printing

What is a common material used in FDM 3D printing?

• Glass
• Wood
• PLA (Polylactic Acid)
• Metal

What is the function of supports in 3D printing?

• To decorate the model
• To color the model
• To hold the filament
• To provide temporary structure during printing

In TinkerCAD, what is a "group" used for?

• Separating shapes
• Scaling shapes
• Coloring shapes
• Combining multiple shapes into one