Earth Science
Deforestation can cause this effect on the Earth's surface.
Erosion
The conversion of a substance from the solid to the gaseous state without becoming a liquid.
Sublimation
What is the chemical symbol for glucose?
C6H12O6
Mass divided by volume.
Density
The fear of the number 13 is known as ___________.
Triskaidekaphobia
It comes from the Greek words treiskaideka (thirteen) and phobia (fear)
This can occur with the movement of tectonic plates along fault lines.
An earthquake
The phenomenon where your left appears as the right and vice versa in a mirror.
Lateral inversion
What is generally considered the basic unit of life?
The cell
This is the bending of waves as they pass through a different medium.
Refraction
How many kilometers, approximately, does light travel in one second?
300,000 kilometers per second
(Actual speed is 299,792 kilometers per second)
How old is the sun estimated to be?
4,600,000,000 years old
(4.6 billion years, as determined by radioactive dating)
What word or phrase defines the total distance traveled divided by the total time elapsed?
Average speed
What is the primary oxygen-carrying protein in red blood cells?
Hemoglobin
When a roller coaster reaches the top of a hill, it has its maximum of this type of energy.
Potential energy
What is the distance from Earth to the sun?
93 million miles
(or 150 million kilometers )
The region on Earth where water freezes into snow or ice (the sphere of the Earth which contains glaciers).
Cryosphere
This is caused by the moon's gravitational pull.
Tides
The passage of genetic instructions from one generation to another.
Heredity
The measure of the force of gravity on an object is called_____________.
Weight
These are created when large stars explode.
Black holes
What are the four main layers of the Earth?
The crust, mantle, solid outer core, and molten inner core
A push or a pull exerted on an object is called _______?
Force
Organisms that produce their own food using sunlight through the process of photosynthesis are called _________.
Autotrophs
What term defines the speed of an object in a certain direction?
Velocity
What is the fastest man-made object in existence?
The NASA Parker Solar Probe.
The NASA Parker Solar Probe has become the fastest human-made object ever recorded. On Sept. 27, 2023 the probe reached a speed of 394,736 mph (635,266 km/h) as it swooped close to the sun's surface. Theoretically, this is like circling the Earth about 16 times in an hour!