CATEGORY A
How many bones are in the human body?
206
Salt will enhance sweet and sour flavors in foods while suppressing bitter flavors? T/F
TRUE
What is the fastest land animal in the world?
Cheetah
What is an ecosystem?
An ecosystem is the living, and non-living factors of an environment put together.
What is the farthest planet from the sun?
Neptune. Uranus is the next farthest from the sun, and Mercury is the closest
What percentage of the human body is water?
66%
What provides the body with raw materials and Energy?
Food - Food provides the body with raw materials and energy. It contains essential nutrients such as carbohydrates, proteins, and fats that are broken down during digestion to release energy.
Where in the human body can the smallest bone be found?
The ear
Name the world’s deepest ocean.
The pacific ocean
Where do plants get their energy from?
The sun. Plants make their own food by converting sunlight into sugar through a process called photosynthesis
Speaking of humans, there are about __________________ of us in the U.S. right now.
According to the U.S. population clock on April 20, 2020, the U.S. Census Bureau says there are 331,449,281 people in America right now!
What type of tissue protects and insulates the body?
Fatty - Fatty tissue is the correct answer because it serves as a protective and insulating layer in the body. It helps to cushion and protect organs, bones, and nerves from injury.
How many states of matter are there?
4 - solid, liquid, gas and plasma
Which is the rarest blood type in humans?
AB negative
A solution with a pH of 1 is considered to be what?
An acid. Solutions with a pH between 0 and 7 are considered to be acids, and solutions with a pH between 7 and 14 are bases
Cells related to _________ divide remarkably faster than other cells in the body.
Hair- The living part of the hair is the very bottom part surrounding the papilla, called the bulb. The cells of the bulb divide every 23 to 72 hours, remarkably faster than any other cell in the body.
What is the most important nutrient because the body's vital processes take place in it?
Water - is the most important nutrient because the body's vital processes, such as digestion, circulation, and temperature regulation, rely on it
What does DNA stand for?
Deoxyribonucleic acid
Why does a year consist of 365 days and a day of 24 hours?
A year, 365 days, is the time it takes for the Earth to travel around the Sun. A day, 24 hours, is the time it takes for the Earth to spin around once on its axis.
How old is our Earth?
4.5 billion years old. Rock samples are used to determine the age of our Earth!
How many taste buds are on your tongue?
Nine thousand - There are 9,000 taste buds on the tongue. We lose a lot of these taste buds as we age.
One sugar, ____________ is the major source of energy for the body's cells.
Glucose is the major source of energy for the body's cells. It is a type of sugar that is broken down by the body to produce ATP, which is the primary energy currency of cells.
What is the perimeter of a circle called?
The circumference
Why do we put salt on sidewalks when it snows?
Adding salt to snow or ice increases the number of molecules on the ground surface and makes it harder for the water to freeze. Salt can lower freezing temperatures on sidewalks to 15 degrees from 32 degrees.
What is Earth’s primary source of energy?
The sun. The sun heats Earth’s land, water, and atmosphere. At 27 million degrees Fahrenheit, the sun is the Earth’s primary energy source.