Science Olympiad

What do the arrows represent in the picture?

• waves

• currents

• tides

Tags

NGSS.MS-ESS2-6

The Gulf Stream is 

• a stream behind the school 

• a current in the Atlantic Ocean that flows on the eastern coast of North America 

• a boat 

• part of the ocean floor 

Tags

NGSS.MS-ESS2-6

Why is there high salinity in the Mediterranean Ocean?

• precipitation

• evaporation

• volcanoes

• deposition

A trench is formed at what zone?

• subduction

• divergent

• convergent

• strike-slip

Tags

NGSS.MS-ESS2-3

What first accurately mapped the ocean floor?

• The Spanish armada

• Chinese army

• Magellan

• sonar

The main difference between ocean water and lake water is that ocean water contains

• oxygen

• salt

• algae

• plants

If the angle of incidence in the diagram is 80°, the angle of reflection will be:

• 10°

• 100°

• 90°

• 80°

Tags

NGSS.MS-PS4-2

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed

• stopped

• reflected

• refracted

Tags

NGSS.MS-PS4-2

The angle of incidence is equal to the angle of reflection

• Law of Reflection

• Law of Light

• Incidence Ray

• The Normal

Tags

NGSS.MS-PS4-2

The picture shows which type of reflection?

• Specular

• X-ray

• Diffuse

• Normal

Tags

NGSS.MS-PS4-2