Visualising Solid Shapes quiz

The number of edges of a cube is:

Which is a 2-D shape?

A square pyramid has how many vertices?

The cross-section of a cylinder cut parallel to its base is a:

Which solid has no vertex and no edge?

A triangular prism has how many faces?

The shadow of a ball is a:

Isometric sketches are drawn on:

Which solid has 1 curved surface, 1 flat face and 1 vertex?

The number of faces of a triangular pyramid is:

Name two solids that have both flat and curved surfaces. (2 marks)

How many faces, edges and vertices does a cuboid have? (2 marks)

What is the shape of the cross-section when a brick is cut parallel to its length? (2 marks)

Name the solid formed by the net consisting of 2 triangles and 3 rectangles. (2 marks)

Draw or describe the top view of a cone placed on its base. (2 marks)

Give two real-life examples each of a cylinder and a sphere. (2 marks)

Can a shadow of a cube be a hexagon? Explain when. (2 marks)

Name the 3-D shapes of a brick, a dice, a party cap and a gas cylinder. (2 marks)

What is the difference between a prism and a pyramid? (2 marks)

Which numbers are opposite each other on a standard dice? (2 marks)

Find faces, edges and vertices of a pentagonal prism and a pentagonal pyramid. Verify F + V - E = 2 for each. (3 marks)

A cube of side 4 cm is made from unit cubes of side 1 cm. How many unit cubes are used? How many are on the outer surface? (3 marks)

Three cubes each of side 3 cm are joined end to end. Find the length, breadth and height of the cuboid formed and the number of faces of the new solid. (3 marks)

A solid has 6 vertices and 9 edges. Using F + V - E = 2, find its faces and name the solid. (3 marks)

A cube is painted on all faces and cut into 27 equal small cubes. How many small cubes have (i) 3 faces painted (ii) 2 faces painted (iii) no face painted? (3 marks)

Read the passage and answer the questions. In a shadow play, Meena holds objects in front of a torch and looks at their shadows on a wall. (i) What is the shadow of an upright cylinder when the light is from the side? (ii) What is the shadow of a cone when the light is from the side? (iii) Why do shadows give only a 2-D view? (5 marks)

Read the passage and answer the questions. A carpenter cuts a cuboid wooden block with a saw. (i) What shape is the cross-section if he cuts parallel to a face? (ii) What shape does he get on cutting a cylindrical log across its length? (iii) What shape is the cross-section of a cone cut parallel to its base? (5 marks)

Read the passage and answer the questions. A toy is made by placing a cone on top of a cylinder of the same radius. (i) How many curved surfaces does it have? (ii) How many flat faces? (iii) Draw or describe its front view. (5 marks)

Read the passage and answer the questions. A gift box is a cube of side 10 cm. Raju opens it flat to make a net. (i) How many squares are in the net? (ii) What is the total area of the net? (iii) Draw or describe one possible net. (5 marks)

Read the passage and answer the questions. Students built a structure using 5 identical cubes: 4 in a row and 1 on top of the second cube. (i) Describe the front view. (ii) Describe the top view. (iii) How many cube faces are hidden where the cubes touch? (5 marks)

Draw the nets of a cube, a cuboid, a triangular prism and a cone. Label the faces of each. (6 marks)

Draw an oblique sketch and an isometric sketch of a cube of side 3 cm and explain the difference between the two drawings. (6 marks)

Draw the top, front and side views of (i) a cylinder standing on its base (ii) a cone standing on its base (iii) a square pyramid. (6 marks)

Make a table in sentences giving faces, edges and vertices of a cube, cuboid, triangular prism, square pyramid and triangular pyramid, and verify F + V - E = 2 for each. Draw any two of them. (6 marks)

Explain three ways of viewing 3-D shapes in parts: cutting (slicing), shadow play and viewing from different angles. Give an example and a diagram for each. (6 marks)