1. Which of the following is NOT a solid shape?
Answer:
Explanation:
A triangle is a two-dimensional shape, whereas the others are three-dimensional solid shapes.
2. How many faces does a cube have?
Answer:
Explanation:
A cube has 6 square faces.
3. Which solid shape has only one curved surface?
Answer:
Explanation:
A sphere is composed of a single curved surface with no edges or vertices.
4. The point where three edges of a solid shape meet is called a:
Answer:
Explanation:
In solid shapes, a vertex is the point where three or more edges meet.
5. How many vertices does a rectangular prism (cuboid) have?
Answer:
Explanation:
A rectangular prism or cuboid has 8 vertices.
6. Which of the following shapes has no edges or vertices?
Answer:
Explanation:
A sphere is a solid shape with a continuous curved surface, without any edges or vertices.
7. A pyramid that has a triangular base is known as:
Answer:
Explanation:
A tetrahedron is a pyramid with a triangular base and three triangular faces.
8. Which shape has one curved face and one flat face?
Answer:
Explanation:
A cone has a flat circular base and a curved surface that joins the base to the vertex.
9. What shape is the base of a cylinder?
Answer:
Explanation:
A cylinder has two parallel circular bases.
10. How many edges does a cube have?
Answer:
Explanation:
A cube has 12 edges.
11. Which solid shape has only one vertex?
Answer:
Explanation:
A cone has a single vertex at the pointed end.
12. A prism with a pentagon as its base is called:
Answer:
Explanation:
A prism named after the shape of its base, so a prism with a pentagonal base is a pentagonal prism.
13. Which of the following shapes has only flat surfaces?
Answer:
Explanation:
A cube is composed of six flat square faces.
14. How many faces does a triangular prism have?
Answer:
Explanation:
A triangular prism has 2 triangular bases and 3 rectangular faces, making a total of 5 faces.
15. Which of the following is a two-dimensional shape?
Answer:
Explanation:
A rectangle is flat and has only length and width, making it a two-dimensional shape.
16. The number of vertices in a pyramid is:
Answer:
Explanation:
Every pyramid has a base and the additional vertex at the top.
17. Which shape has two vertices and one curved surface?
Answer:
Explanation:
A cylinder has two vertices (at the centers of the circular bases) and one curved surface.
18. A three-dimensional shape can be described by its:
Answer:
Explanation:
The amount of space occupied by a 3D shape is called its volume.
19. If a solid object is sliced parallel to its base, the shape obtained is called a:
Answer:
Explanation:
When a solid is cut by a plane parallel to its base, the exposed section is known as a cross-section.
20. Which solid shape has 5 faces, 5 vertices, and 8 edges?
Answer:
Explanation:
A square pyramid has 1 square base, 4 triangular faces, 5 vertices, and 8 edges.