Which part of the eye is the opening which lets in the light?
Pupil
What is precipitation?
Rain, snow, sleet, or hail
Seismometer
A device used to measure earthquake activity
Stimulus
A change in the internal or external environment that causes the nervous system to react.
What is a closed system?
A system where nothing can get in or out. An example would be our cups with a lid on and the srtaw hole taped shut.
How is a one-way mirror?
By combining a thin layer of one-way mirror film a piece of glass.
How did this hailstone get clear and cloudy layers?
The cloudy parts froze really fast and the clear parts froze really slowly.
Mountains
Large, tall areas of rock are often formed by tectonic plates running into each other.
Involuntary
Eyelid reflex when something is coming towards your face very quickly; Pushing food through your digestive system
This image would be an example of a?
gas.
When multiple inputs enter our eyes what happens?
Our brain recognizes the strongest input.
What did we find when we did the soap bubble bottle investigation?
The bubble was sucked into the bottle when it was set in cold water and expanded out when the bottle was put in hot water.
Volcano
An opening in the earth's crust through which steam, ashes, and lava are expelled in periods of activity
Voluntary
Picking up your shoes; Walking; Smiling; Jumping up and down
What has to happen in order for evaporation to take place?
Molecules of liquid water have to gain enough energy to break free and go up into the air as water vapor.
What did we see in our box models when the lights were on both sides of the model?
You could see through and you could see a reflection.
What is humidity?
The amount of water vapor in the air.
Mid-Atlantic Ridge
A giant undersea mountain range in the center of the Atlantic Ocean where sea-floor spreading occurs.
Mechanical
A _____________ receptor is a sense receptor that detects and is activated by movement.
Why does the mass of a closed cup system not change over time?
Because nothing can get in or out of the system.
What does the iris of our eye do?
The iris opens or closes the pupil to control the amount of light that enters our eyes.
What is an updraft and what causes it?
An updraft is quickly rising air caused by air warming close to the earth and then rising because it is less dense than the air around it.
Where is Mount Everest?
On the border of China and Nepal.
Chemical
Receptors that detect and are activated by chemical substances are called ____________ receptors.
In our unit, we learned that when water evaporates the molecules that go into the air.
Have more energy than the molecules that stay in the liquid.