Atoms

Atoms

What Are They?

What Are They Made Of?

How Do We Study Them?

What Are Atoms? (Video)

• Make Up All Matter: Living and Nonliving; Solids, Liquids and Gases

• Microscopic - Around 40 Quintillion (40,000,000,000,000,000,000) Atoms in a Grain of Sand

Multiple Choice

Everything but air is made of atoms.

• True

• False

Multiple Choice

About how many atoms make up one grain of sand?

• 40 thousand

• 40 million

• 40 trillion

• 40 quintillion

Elements

• Each TYPE of atom is an element

• 94 NATURAL elements

• 24 ARTIFICIALLY made elements (created by scientists)

• 118 Total Number of Elements

• Periodic Table of the Elements

Multiple Choice

What is each type of atom called?

• element

• molecule

• electron

• cell

Multiple Choice

Where can you find a list of all the known elements?

• Table of Contents

• Periodic Table of Elements

• Title Page

• Taxonomy

Subatomic Particle (Video)

Proton

• Positive Electric Charge

• In the Nucleus (Center of Atom)

• Number of Protons in an Atom Determines the Element It Is

Multiple Choice

What electric charge do protons have?

• positive

• neutral

• negative

Multiple Choice

Protons are found in the nucleus, or center of the atom.

• True

• False

Subatomic Particle

Neutron

• Has No Charge - Neutral

• In the Center of the Atom (Nucleus)

• Hold the Nucleus Together - Strong Force

Multiple Choice

What electric charge do neutrons have?

• positive

• neutral

• negative

Multiple Choice

What allows neutrons to hold the protons together in the nucleus?

• solar force

• electric force

• strong force

Electrons

• Have a negative electric charge

• Whirl around the nucleus at about the speed of light, leaving an electron cloud around the atom "blurry"

• Responsible for reactivity and electricity

Multiple Choice

What electric charge to electrons have?

• positive

• neutral

• negative

Multiple Choice

Because electrons move so quickly around the nucleus, it make atoms look _____________ in a microscope.

• clear

• blurry

• completely dark

How Do We Study Atoms?

• Mystery Box

• Atomic Model - Brain Pop

• Experiments & Tests

• Particle Accelerator - Brain Pop

• Smashing Atoms

Multiple Choice

Scientists can see all the parts of atoms with microscopes.

• True

• False

Multiple Choice

What large machines are used to smash atoms to learn more about subatomic particles?

• microwave

• x-rays

• particle accelerators