Light and Sound Energy Grade 4

Which of these travels fastest in nature?

• Sound

• Light

• Heat

The wavelength of visible light is ______ than gamma rays.

• longer

• shorter

Tags

NGSS.HS-PS4-1

From the list below, which color is reflected by the leaf?

• red

• white

• green

• black

Tags

NGSS.MS-LS1-6

The window here is a/an _______ one.

• transparent

• translucent

• opaque

Sleeping during daytime and blocking light from the window is achieved using _____ curtains.

• transparent

• translucent

• opaque

Tags

NGSS.MS-PS4-1

The _____ is useful in the field of medicine because it can detect fracture of the bones.

• gamma ray

• X-ray

• infrared

• microwave

Check out the shadow created by the sun , which one is at noon?

• 
• 
• 

Tags

NGSS.5-ESS1-2

The baby is so joyful seeing his own ______ in the mirror.

• refraction

• reflection

• absorption

Tags

NGSS.MS-PS4-2

Which of the statements is correct?

• Shadows get bigger when the source of light is farthest from the object.

• Shadows get smaller when the source of light is nearest from the object

• Shadows get bigger when the source of light is nearest from the objec

Tags

NGSS.5-ESS1-2

Which statement is correct?

• All colors are reflected except black.

• All colors are absorbed.

• All colors are reflected

• Black is absorbed.

Tags

NGSS.MS-PS4-1