L1
An object is _________ when light can pass through it.
transparent
Give 2 examples of a natural source of light.
Sun & Firefly (Other answers accepted)
When light is blocked and a dark space is created.
Shadow.
An example of something that can cause light to bend or refract?
Water
When light bounces off a mirror it travels back evenly and in one main direction, this is called...
reflection
Give 4 examples of man-made sources of light.
Flashlight, lightbulb, television, Candle
An object is ______ from a light source when the shadow is smaller.
Far
Something luninescent glows in the dark, give a natural example of something that does this.
What is fireflies?
Which of the following statements about light are true? Choose 1 or more.
a) Light is Matter.
b) Light travels in a straight line.
c) We see an apple because it is reflected from our eyes.
d)Shadows are formed when light is blocked.
B & D
Light travels in a straight line & Shadows are formed when light is blocked.
Bala puts an apple infront of the wall of his classroom. He shone a torch on the apple to create shadows of different sizes on the wall. List 2 ways how he can create a smaller shadow on the wall.
Move torch further away from the apple.
Move apple nearer to wall.
When the sun is directly over head around noon. A shadow of the tree is _________.
Center
An object is ________ when light only travels in part through it.
Translucent
We can only see objects because..
1) a light source falls on the object and the light is reflected to our eyes.
2) our eyes reflect light to the objects.
3) the objects reflect light to the light source which shines it to our eyes.
1) a light source falls on the object and the light is reflected to our eyes.
An object is ______ to a light source when the shadow is large.
Close
State 3 properties of light
An object is _____ when light cannot travel through it.
O_a_u_
When Jamie stood behind a brick wall, she could not see her plant. Which of the following explains why she could not see potted plant.
1)The wall did not reflect light.
2)The plant did not give off light.
3)The wall did not allow light to pass through.
4) The plant did not allow light to pass through.
3)The wall did not allow light to pass through.
An object that causes a shadow is_________.
Opaque.
An object can be seen when it ____ light or when it is a _____ of light
Reflects & source