Chemistry
Living environment
Anatomy and Physiology
Earth Science
Physics
100

What is the center of an atom called?

The nucleus 

100

A person who studies biology is called

A biologist

100

True or false?

The adult human body has over 500 bones.

False

100

The gemstone Ruby is typically what color?

Red

100

The galaxy our solar system is in is called

The Milky way Galaxy

200

What is the main gas found in the air we breathe?

Nitrogen (78%)

200

What is the name of the process plants use to convert sunlight into food?

photosynthesis 

200

What is the name of the substance that gives skin and hair it’s pigment?

Melanin

200

What is the name of the deepest part of the worlds oceans?

The Mariana Trench

200

A quantity that has both magnitude and direction is called

A Vector

300

At room temperature, the only metal found in liquid form is

Mercury (Hg)

300

Which famous scientist introduced the idea of natural selection?

Charles Darwin

300

What substance are nails made of?

Keratin

300

What is the second most common gas found in the air we breathe?

Oxygen (21%)

300

The force by which a planet or other body draws objects toward its center is

Gravity

400

Atoms that have the same atomic number but different mass numbers are called

Isotopes 

400

Animals which eat both plants and other animals are known as 

Omnivores

400

The colored part of the human eye that controls how much light passes through the pupil is called the?

Iris

400

Over a long period of time while under extreme heat and pressure, graphite turns into which precious mineral?

Diamond

400

Electric current is typically measured in

Amperes

500

The process in which an atom spilts into smaller parts in a nuclear reaction is

 Nuclear Fission

500

A change of the DNA in an organism that results in a new trait is known as?

Mutation

500

The bones that make up your spine are called?

Vertebrae

500

Name the 3 time periods of the dinosaurs.

Triassic, Jurassic and Cretaceous

500

When light bends as it enters a different medium the process is known as what?

Refraction