One way mirrors
What reflects the most light, glass or a one way mirror?
Mirror
What causes water to evaporate?
When the molecules have enough KE the liquid becomes a gas.
At what temperature are particles closest together? (low, medium, high)
low temperatures
Name a material that absorbs a lot of light.
Something with a dark color.
Why are nerve cells important in the body?
They transmit signals throughout the body to the brain.
What is it called when light goes through a material?
It transmits
When the balloon was on the heating pad, what scientific concept was it demonstrating?
density of different air parcels
When you put an ice pack on your hand and your hand gets cold, is cold leaving the ice, or is heat entering the ice?
Heat is entering the ice.
What kind of variable is the one the scientist controls?
Independent
Do you have more red blood cells or white blood cells?
Red blood cells
In room A, the light is on. What will the person in Room B see if there is no light in room B?
The person in room A.
Why do we see clouds?
Sunlight reflects off of water droplets and ice crystals.
Why does an ice cube melt in water?
KE transfers from the water to the ice cube.
What 3 features of a cup help water stay cold?
Lid, double wall, material
White blood cells
In what conditions would we see our reflection in a window?
Light near us, dark on other side
A large storm cloud forms in what 3 conditions?
high humidity, warm ground temperature, cold high level temperature
Energy transfer through particle collisions is convection, conduction, radiation, or absorption?
Conduction
In cup experiments the water was always the same amount. What kind of variable is that?
Control variable
These structures clump together to help stop blood from leaking out of the body.
Platelets
In what order does light travel in our eye? Retina, Lens, Pupil, Optic Nerve, Iris
Pupil, Iris, Lens, Retina, Optic Nerve
Hail gets large when...
it stays in a cloud for a long time (updraft) and more water droplets attach to it.
Describe how energy transfers to warm up cold water in a cup.
KE from outside cup transfers to inside the cup through conduction with the cup wall and then the cup wall transfers to the water.
What did the red and white candy demonstration show?
That particles move faster in hot water.
What are two parts of a cell?
Cytoplasm and cell membrane