Structure of Atom PreLess

What are the building blocks of all matter?

• atoms
• molecules
• cells
• electrons

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What are the examples of matter made up of atoms?

• Elements and compounds
• Sound and light
• Rocks and minerals
• Clouds and rainbows

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Word ‘atom’ comes from a Greek word means

• cannot be made

• cannot be destroyed

• cannot be split

• uncuttable

Can you see atom with microscope? Why?

• No, because atoms are too small to be seen with a microscope
• Yes, because microscopes have the ability to magnify objects to any size
• Yes, because atoms are visible under a microscope

Why can you see cells with microscope but not atoms?

• Atoms are invisible
• Atoms are too small to be seen
• Microscopes cannot magnify atoms
• Cells are larger than atoms

Cells are made of atoms

• True
• Only in plants
• Sometimes
• False

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What are sub-atomic particles?

• Tiny organisms found in water
• Large particles that make up an atom
• Smaller particles that make up an atom
• Substances that are not made up of particles

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What are the sub-atomic particles? Multiple answers

• Neutrons

• Photons

• Protons

• Hydrogen

• Electrons

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What is the nucleus of an atom made up of?

• Protons and neutrons
• Neutrons and electrons
• Protons and electrons
• Electrons and protons

What is the unit used to compare the atomic mass of different atoms?

• Grams (g)

• Atomic mass unit (amu)
• Kilograms (kg)
• Milligrams (mg)

• Micrograms (μg)