Measurement and motion Class VI science

Class VI Science: Measurement and Motion Tables

Table 5.1: Measuring the Length of the Table

Name of the Student	Number of Handspans
Anish	Slightly more than 13
Padma	13
Tasneem	Slightly less than 13
Deepa	Between 13 and 14
Hardeep	14

This table (page 3) records the number of handspans used by students to measure a classroom table (Activity 5.1). The differences in handspan counts reflect varying hand sizes, illustrating why standard units like metres are preferred (page 3).

Table 5.2: Measuring Lengths

Object	Length of the Object
Comb	15 cm
Pen	14 cm
Pencil	18 cm
Eraser	4 cm

This table (page 8) is from Activity 5.1, where students measure objects using a metre scale. Lengths are estimated based on typical sizes: comb (15 cm), pen (14 cm), pencil (18 cm), eraser (4 cm). Measurements may vary slightly due to scale placement or reading errors (page 8).

Table 5.3: Observing Things Around You

Objects in Motion	Justification	Objects at Rest	Justification
Cow grazing in the field	Changes position relative to the ground	Tree	Position fixed relative to the ground
Car moving on a road	Changes position relative to roadside	Building	Position fixed relative to the ground
Bird flying in the sky	Changes position relative to trees	Bench in a park	Position fixed relative to the ground
Bicycle being ridden	Changes position relative to the road	Streetlight	Position fixed relative to the ground
Person walking	Changes position relative to surroundings	Table in classroom	Position fixed relative to the floor

This table (page 12) is from Activity 5.2, observing motion and rest. Objects in motion change position relative to a reference point (e.g., ground, roadside), while objects at rest remain fixed (page 12). Examples are based on common observations and the PDF’s example (cow, tree).

Table 5.4: Types of Motion

Object	Linear Motion	Circular Motion	Oscillatory Motion
Swing			Moving to and fro
Merry-go-round		Moving in a circular path
Slide	Moving in a straight path
See-saw			Moving up and down

This table (page 17) is from Activity 5.7, classifying motions in a children’s park (Fig. 5.18). Swing and see-saw exhibit oscillatory motion (to-and-fro, pages 15–16), merry-go-round shows circular motion (page 14), and slide shows linear motion (page 14).

Table 5.5: Matching Lengths with Units

Column I (Length)	Column II (Unit)
Distance between Delhi and Lucknow	Kilometre
Thickness of a coin	Millimetre
Length of an eraser	Centimetre
Length of school ground	Metre

This table (page 19) matches lengths to suitable units (Question 1). Large distances (Delhi to Lucknow) use kilometres, small thicknesses (coin) use millimetres, small objects (eraser) use centimetres, and medium lengths (school ground) use metres (page 5).

Table 5.6: Sizes of Objects Around Us

Objects in mm	Objects in cm	Objects in m
Thickness of a coin	Length of a pencil	Height of a room
Width of a paperclip	Length of a notebook	Length of a classroom
Diameter of a button	Width of a book	Width of a playground

This table (page 20) lists objects suitable for measurement in mm, cm, and m (Question 10). Millimetres suit small dimensions (e.g., coin thickness), centimetres suit medium objects (e.g., pencil), and metres suit large objects (e.g., room height) (page 5).

Table 5.7: Length and Breadth of Leaves

S. no.	Name of Tree	Length of Leaf	Breadth of Leaf
1	Neem	6 cm	2 cm
2	Neem	5.5 cm	1.8 cm
3	Neem	6.2 cm	2.1 cm

This table (page 21) records leaf measurements from a single tree (Activity 5.7). Neem leaves are used as an example, with slight variations (5.5–6.2 cm length, 1.8–2.1 cm breadth) due to growth conditions or leaf age (page 21).