Light Absorption Basics
What happens when light is absorbed by an object?
Answer: The energy from light is taken in and often turned into heat.
What colour is known to reflect most light and stay cooler?
Answer: White.
Why might roofs in hot places be painted white?
Answer: To reflect sunlight and keep homes cooler.
Name three things that can happen when light shines on an object.
Answer: The light can be reflected, transmitted, or absorbed.
If a person wears a pale blue shirt outside, how will they feel compared to someone in a black shirt?
Answer: The person in the pale blue shirt will feel cooler because it reflects more light.
How do sports uniforms relate to light absorption?
Answer: Designers choose colours that help athletes stay cool during play.
Why do dark-coloured objects feel warmer in the sun?
Answer: Dark colours absorb more light and convert it into heat.
Why might someone choose to wear lighter colours on a hot day?
Answer: Lighter colours reflect more light and stay cooler.
What is an example of light absorption affecting everyday objects?
Answer: Dark car interiors getting hot in the sun.
What are some examples of dark colours that absorb light?
Answer: Black, navy, and dark green.
What colour absorbs more heat: yellow or black?
Answer: Black.
Why is it important for engineers to think about light absorption when building cars?
Answer: To improve comfort and reduce heat inside the vehicle.
What is the term for materials that let light pass through?
Answer: Transparent materials.
How does the colour of a car affect its temperature on a sunny day?
Answer: Dark-coloured cars absorb more light and heat up more than light-coloured cars.
How might light absorption influence the design of outdoor furniture?
Answer: Choosing colours and materials that stay cooler in the sun to improve user comfort.