Physics
What invisible force pulls objects toward the center of the Earth?
Gravity
What is 12.5 * 8?
100
What is the chemical formula for water?
H2O
What do we call the hot, liquid rock that exists beneath the Earth's crust?
Magma
What major body system includes the brain, the spinal cord, and a massive network of nerves?
The Nervous System
What type of stored energy does a roller coaster have at the very top of a tall hill before it drops?
Potential energy
If you buy 3 apples for $1.50 each and pay with a $10 bill, how much change do you get?
$5.50
What are the three main subatomic particles found inside an atom?
Protons, neutrons, and electrons
In the water cycle, what is the process called where invisible water vapor cools down and turns back into liquid water droplets to form clouds?
Condensation
What is the common name for the cranium, the complex set of bones that interlock to protect your brain?
The skull
Calculation: If a remote-control car travels 1 km in 25 seconds, what is its average speed in meters per second?
40 m/s
What is 75% of 120?
90
The atomic number of Carbon is 6. How many protons does a single atom of Carbon have?
6
In the rock cycle, what type of rock is formed when existing rocks are subjected to extreme heat and pressure deep underground?
Metamorphic rock
What disease is caused when abnormal cells in the body mutate and begin to divide and grow out of control?
Cancer
A 10kg cart starts from rest at the top of a 5-meter tall hill. Assuming gravity is 10 m/s2 and there is no friction, use the conservation of energy to calculate its velocity at the bottom of the hill.
10 m/s
A rectangle has a perimeter of 30 cm. If the length is 10 cm, what is the width?
5 cm
On the pH scale, which goes from 0 to 14, is a substance with a pH of 3 considered an acid or a base?
An acid
Which specific layer of the Earth's atmosphere contains the ozone layer that protects us from UV radiation?
The Stratosphere
What is the name of the iron-rich protein found inside red blood cells that actually binds to oxygen so it can be carried through the body?
Hemoglobin
A 2kg cart is already moving as it approaches a 20-meter steep drop. When it reaches the very bottom, its velocity is 25 m/s. Assuming gravity is 10 m/s2 and no friction, what was its velocity at the top of the drop?
15 m/s
If a train travels 60 miles in 1.5 hours, how long will it take to travel 200 miles at the exact same speed?
5 hours
What is the scientific term for the process where a solid turns directly into a gas without ever becoming a liquid, just like dry ice does?
Sublimation
What is the name of the effect, caused by the Earth's rotation, that makes hurricanes spin counter-clockwise in the Northern Hemisphere?
The Coriolis Effect
This genetic disease gets its name because red blood cells become stiff and curved like a "C" instead of round, making it hard for them to flow through blood vessels.
Sickle Cell Disease (or Sickle Cell Anemia)