Nutrient
What are the Six main nutrients?
Fats, Carbohydrates, Proteins, Vitamins, Minerals, Water
What is tar ?
Tar is a sticky chemical that is in the tobacco mixture.
What is the ray of light arriving at a mirror?
Incident ray
What are the seven colors of light?
Red,Orange,Yellow,Green,Blue,Indigo, and Violet
Complete the sentence:
Red ＋green +blue -magenta +red=
Yellow
What does calcium do?
It builds strong bones and teeth
What do you call a gas that stops red blood cells from carrying oxygen?
Carbon Monoxide
Why should we draw the normal in a broken line ?
Because normal is not real
How do you position the prism so you can make a rainbow?
By placing it flat upwards
If you shine white light through a green filter onto a piece of red paper, what color will the paper appear, and why?
The red paper will appear black when you shine white light through a green filter onto it.
The reason(Many answers):
1.The green filter only allows green light to pass through and blocks all other colors in the white light.
2.Red paper reflects only red light and absorbs all other colors.
3.Since only green light reaches the red paper, and the red paper cannot reflect green light, no light is reflected back to your eyes, so the paper looks black.
what do you call a mineral that helps make red blood cells and carry oxygen in the body?
Iron
What does oxygen transport?
Oxygen transports red blood cells called hemoglobin in your body
What is the angle between the incident ray and the normal?
Angle of incidence
Why do we see rainbows after it rains?
We see rainbows after it rains because the air is filled with countless tiny water droplets left behind by the rain. When the sun comes out and shines from behind, its light enters these droplets, it refracts and reflects off the inside surface, and bends again which then makes a rainbow.
Why can we see a yellow flower yellow?
When white light shines on a yellow flower, the flower's pigments absorb most colors of light except yellow. The yellow wavelengths are reflected and enter your eyes. That’s why we see a yellow flower yellow.