Worksheets › Class 11 › Movements of Ocean Water
Class 11 Movements of Ocean Water worksheet
CBSE Social Science. Waves and their parts, tides and their types, and the forces, types and effects of ocean currents. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
Most ocean waves are caused by:
- earthquakes
- ocean currents
- the moon
- wind
Answer
(d) wind
- 2.
What is meant by the trough?
- the lowest point of a wave
- the horizontal distance between two crests
- the number of waves passing a point in one second
- the time between two crests passing a point
Answer
(a) the lowest point of a wave
- 3.
What is a diurnal tide?
- the falling water between high and low tide
- the rising water between low and high tide
- two high and two low tides each day
- one high and one low tide each day
Answer
(d) one high and one low tide each day
Section B · short answer
- 4.
What actually moves across the ocean in a wave?
Answer
Energy; the water particles only move in small circles.
- 5.
What is meant by each? (a) wave height (b) amplitude
Answer
(a) the vertical distance from trough to crest (b) one-half of the wave height
Section C · long answer
- 6.
Describe the characteristics of waves.
Answer
Crest and trough (highest and lowest points), wave height, amplitude (half the height), period, wavelength, speed (in knots) and frequency (waves per second).
Fresh sheets for your child
In the app, every Movements of Ocean Water sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.