Lights

Which of the following is a source of natural light? 

• Flashlight
• The moon 
• The sun 
• Light bulb

Which of the following is a source of artificial light? 

• Firefly 
• Lava
• Flashlight
• Glow stick 

Do normal sunglasses completely protect your eyes from the power of the sun? 

• Yes
• No 

Which option best describes an opaque object? 

• All light shines through the object
• Some light shines through the object 
• No light shines through the object 

Which option best describes a transparent object? 

• Some light shines through the object 
• No light shines through the object 
• All light shines through the object 

Which option best describes a translucent object? 

• No light shines through the object 
• All light shines through the object 
• Some light shines through the object 

What are the 3 primary colours? 

• red, green and yellow
• red, green and blue
• blue, orange and red
• red, blue and violet

What is the following lens called? 

• convex
• magnifying 
• concave 
• prism

What is the following lens called? 

• convex
• concave 
• magnifying 
• prism

What is the acronym to remember the colours of the rainbow? 

• ROG Y BVI
• RBO VIY
• ROY G BIV