Light, color and Dark

1. What is our main source of light?

• sun

• moon

• trees

Answer explanation

The sun is our main source of light, providing illumination and energy to the Earth. The moon reflects sunlight but does not generate its own light, while trees do not produce light at all.

Tags

NGSS.MS-ESS1-1

Which object allows you to see your reflection?

• rock

• mirror

• paper

Answer explanation

A mirror is a reflective surface that allows you to see your reflection clearly. Unlike a rock or paper, which do not have reflective properties, a mirror is specifically designed for this purpose.

Tags

NGSS.MS-PS4-2

A source of light made by nature

• Natural light

• Artificial light

• a light bulb

Answer explanation

Natural light is a source of light made by nature, such as sunlight. In contrast, artificial light is created by human-made sources like light bulbs, making 'Natural light' the correct choice.

Shadows made by the sun are shorter…

• in the morning while the sun when the sun is rising

• at midday when the sun is directly overhead

• in the evening when the sun is setting

Answer explanation

Shadows are shortest at midday when the sun is directly overhead, causing them to be minimal. In the morning and evening, the sun's angle is lower, resulting in longer shadows.

Tags

NGSS.MS-ESS1-1

12.Translucent is?

• When light bounces off an object

• Material that only allows a little light to pass through

• Our main source of light

Answer explanation

Translucent materials allow some light to pass through, making them partially see-through. This distinguishes them from opaque materials, which block light completely, and transparent materials, which allow all light to pass.

1. Which one of these items is a light producer?

• Book

• Flashlight

• Door

Answer explanation

A flashlight is a device specifically designed to produce light, using batteries to power a bulb. In contrast, a book and a door do not generate light; they are inanimate objects without light-producing capabilities.

Which object allows us to see the colors in white light?

• A prism

• A clock

• A cup

Answer explanation

A prism allows us to see the colors in white light by refracting it. When white light passes through a prism, it splits into its component colors, creating a spectrum.

Tags

NGSS.MS-PS4-2

Which picture is the brightest?

• 
• 
• 
• 

What is the correct order of the colors of the rainbow?

• Red, Yellow, Orange, Blue, Indigo, Violet

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Yellow, Orange, Red, Green, Blue, Violet, Indigo

Answer explanation

The correct order of the colors of the rainbow is Red, Orange, Yellow, Green, Blue, Indigo, Violet. This sequence is often remembered by the acronym ROYGBIV.

When you see the color black...

• All colors are reflecting

• All colors are absorbed

• The color blacl is reflecting

• the color black is absorbed

Answer explanation

When you see the color black, it means that all colors of light are absorbed by the surface, and none are reflected. Therefore, the correct answer is that all colors are absorbed.

Tags

NGSS.MS-PS4-2