Classic Classic Quiz Year 4 : Light by Palomashamrock Palomashamrock 3 163 played - 8 yrs ago Choose the correct answer QUIZ 16 QUESTIONS medium 1 What are the primary colours of light? Red, pink, yellowBlue, green, redRed, green, yellow 2 True or false? Is light a type of energy? TrueFalse 3 If you mix the primary colours of light we create new colours. True or false? TrueFalse 4 Can we see a shadow under a transparent object? No we can't. It is only with opaque objectsYes, we can see a shadow with all the objects 5 Complete the sentence : White objects... Reflect the colour white and absorb the restAbsorb all the coloursReflect all the colours 6 If we mix two colours we create the primary colours of light. True of false? TrueFalse 7 Complete the sentence : Black objects... Reflect all the colours and absorb the white colourAbsorb all the colours and reflect blackAbsorb all the colours and don't reflect any 8 What is the speed of light? 300 km per second300.000 km per hour300.000 km per second 9 Does the light move in a straight line or in a curve line? In a straight lineIn a curve line 10 How does light move? Into an opaque objectDownwardsIn all directions 11 Which is faster, the light or the sound? The lightThe sound 12 How many objects are there according to how much light passes through them? Three : air, water and glassTwo : black and whiteThree : translucent, opaque and transparent 13 When do we say that an object is opaque? When light can pass easily through themWhen some light can pass through themWhen light cannot pass through them 14 What is reflection? When ligh reflects all the coloursWhen light changes directionWhen light hits an object and it absorbs some light and relfects some ligh 15 Why do we see a blue car? Because light refracts on itBecause it reflects the colour blue and absorbe the rest of the coloursBecause it absorbs the colour blue and reflects the rest of the colours 16 What happens when light changes direction when passes from one transparent medium to another? ReflectionDispersionRefraction A mistake in this Quiz ? Contact the author Commentaires
