CBSE Class 8

CBSE Class 8 Science

About the CBSE Class 8 category [CBSE Class 8] (1)
In a school 8/5 of all students are girls.There are 120 more girls than boys.What is the total strength of the school?.Also find the number of boys studying in the same school [CBSE Class 8] (2)
Write 10 lines on the usefulness of microorganisms in our lives [CBSE Class 8] (2)
Make sketches of animal and plant cells. State three differences between them [CBSE Class 8 Science] (1)
State the differences between eukaryotes and prokaryotes [CBSE Class 8 Science] (1)
Write short notes on the following. Cytoplasm Nucleus of a cell [CBSE Class 8 Science] (1)
The size of the cells of an organism has no relation with the size of its body [CBSE Class 8 Science] (1)
Why do plant cells have an additional layer surrounding the cell membrane? [CBSE Class 8 Science] (1)
Cells consist of many organelles, yet we do not call any of these organelles as structural and functional unit of living organisms [CBSE Class 8 Science] (1)
Explain why chloroplasts are found only in plant cells [CBSE Class 8 Science] (1)
‘Cells are the basic structural units of living organisms’ [CBSE Class 8 Science] (1)
Where are chromosomes found in a cell? State their function [CBSE Class 8 Science] (1)
Make a sketch of the human nerve cell. What function do nerve cells perform? [CBSE Class 8 Science] (1)
Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school [CBSE Class 8 Science] (1)
The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train [CBSE Class 8 Science] (1)
A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum? [CBSE Class 8 Science] (1)
With the help of an activity, explain how will you measure the time period of a simple pendulum [CBSE Class 8 Science] (1)
Figure shows the distance-time graph for the motion of two vehicles A and B. Which one of them is moving faster? [CBSE Class 8 Science] (1)
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 a.m [CBSE Class 8 Science] (1)
Boojho goes to the football ground to play football [CBSE Class 8 Science] (1)
Distance between Bholu’s and Golu’s house is 9 km [CBSE Class 8 Science] (1)
Given below as figure is the distance-time graph of the motion of an object [CBSE Class 8 Science] (1)
Show the shape of the distance-time graph for the motion in the following cases [CBSE Class 8 Science] (1)
Suppose the two photographs, shown in figures given below [CBSE Class 8 Science] (1)
Classify the following as motion along a straight line, circular or oscillatory motion [CBSE Class 8 Science] (1)
Plot a distance-time graph of the tip of the second hand of a clock by selecting 4 points on x-axis and y-axis respectively. The circumference of the circle traced by the second hand is 64 cm [CBSE Class 8 Science] (1)
Starting from A, Paheli moves along a rectangular path ABCD as shown in figure below. She takes 2 minutes to travel each side. Plot a distance-time graph and explain whether the motion is uniform or non-uniform [CBSE Class 8 Science] (1)
A spaceship travels 36,000 km in one hour. Express its speed in km/s [CBSE Class 8 Science] (1)
Complete the data of the table given below with the help of the distance-time graph given in figure [CBSE Class 8 Science] (1)
Explain with the help of an example that the states of rest and motion are relative terms [CBSE Class 8 Science] (1)