Substance that cannot be broken down into a simpler form by ordinary chemical means is called

• Element

• Compound

• Mixture

• Isotope

The smallest unit of an element that has all the basic properties of the element is called

• Electron

• Atom

• Nucleus

• Isotope

The ability to produce your own food source is a metabolic process known as what?

• Heterotrophy

• Autotrophy

• Homotrophy

• Ditrophy

Sea breeze occurs during the _____ and the produce winds moving _______.

• Night/out over the water

• Night/out over the water

• Day/ out over the water

• Day/ in over the land

Which of the following is an element?

• Ruby

• Topaz

• Sapphire

• Gold

A group of cells that work together to perform a function is called what?

• Cell System

• Tissue

• Organ System

• Organism

Red blood cells are formed in the ____________.

• Liver

• Bone Marrow

• Kidneys

• Heart

What is the chemical symbol for Potassium?

• Na

• K

• Ps

• P

What are different masses of an atom in the same element called?

• Isotopes

• Radioisotopes

• Atomic Mass

• Electronegativity

Would a material having a specific gravity of 0.8 float in water, or would it sink?

• Sink

• Float