8th grade science

What is the human body’s biggest organ?

• Liver

• Stomach

• Skin

• Large intestine

An adult human body has over 500 bones.

• True

• False

What is the name of the substance that gives skin and hair its pigment?

• Melanie

• Melanin

• Mayonnaise

• Mustard

The death of every member of a particular species is known as?

• Mutation

• Photosynthesis

• Mycology

• Extinction

What is the first element on the periodic table?

• Oxygen

• Hydrogen

• Sodium

• Calcium

What is the chemical symbol for the element oxygen?

• Ox

• Xy

• O

• Og

What is the closest planet to the Sun?

• Mercury

• Saturn

• Mars

• Jupiter

The sun is a star.

• True

• False

What is the name of the bone which protects our brain?

• Rib cage

• Femur

• Clavicle

• Skull

A thermometer is a device used to measure what?

• Wind

• Temperature

• Clouds

• Speed