What causes the formation of a shadow?

A shadow is formed when light is blocked by an opaque object, preventing light from passing through.

Shadows are always ___ and lack ___ .

Dark; color

True or False: Transparent materials can create shadows.

False. Transparent materials allow light to pass through them, preventing the formation of shadows.

In what environments are shadows typically observed?

Shadows can be observed in environments with a bright light source, such as a classroom.

Riddle: I am dark and shape-shifting, cast by an object blocking light. What am I?

A shadow.

Fill in the blank: The shape and size of a shadow may differ from the object casting it, depending on the ___ and object position.

Light source

What is a common use of transparent materials in buildings?

Transparent materials are widely used to allow visibility, such as in windows and doors.

How does the position of the light source affect shadows?

The position of the light source affects the size and shape of the shadow cast by an object.

True or False: Shadows can show details such as eyes or a mouth.

False. Shadows do not show details such as eyes or a mouth.

Short Answer: Why must glass, as a transparent material, be handled carefully?

Glass can break and cause cuts, so it must be handled carefully.

What type of goggles are necessary in extremely bright environments to protect the eyes from intense sunlight?

Fill in the blank: Translucent materials, such as frosted glass, scatter light and make it difficult to see through ___ .

Clearly

True or False: Translucent glass allows for clear visibility through the material.

False. Translucent glass scatters light, preventing clear visibility.

Riddle: I let light in but scatter it around, making details unclear. What am I?

Translucent material.

Fill in the blank: Very dark goggles are slightly ___ to reduce light intensity and protect eyes.

Opaque

What causes a shadow to form?

A shadow is formed when light is blocked by an opaque object, preventing light from passing through.

Fill in the blank: Transparent materials allow light to pass through them, preventing the formation of ___ .

Shadows

True or False: Shadows can have color and show details of the object casting them.

False. Shadows are always dark and lack color, and they do not show details such as eyes or a mouth.

Riddle: I am always dark and change my shape and size with the light, but I never make a sound. What am I?

A shadow.

In what common object is glass, a transparent material, often used for visibility?

Glass is commonly used in windows and buildings.

Fill in the blank: The shape and size of a shadow may differ from the object casting it based on the ___ and object position.

Light source