Mr. Reed Atoms & Biology of Life Quiz BWHS

all matter is made of what 

• energy 

• atoms 

• electrons 

• compounds 

Answer explanation

All matter is made of atoms, which are the basic building blocks of matter. While energy, electrons, and compounds are related concepts, atoms are the fundamental units that compose all substances.

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The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons 

Answer explanation

The positive particles of an atom are protons. They carry a positive charge, while electrons are negative, and neutrons are neutral. Positrons are antimatter counterparts of electrons, not found in normal atoms.

Tags

NGSS.MS-PS1-1

the central region of an atom where its neutrons and protons are is its 

• nucleus 

• electron cloud

• core 

• center 

Answer explanation

The central region of an atom, where neutrons and protons are located, is called the nucleus. This is the core part of the atom, distinguishing it from the electron cloud surrounding it.

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electrons have this type of charge?

• negative

• positive

• neutral

Answer explanation

Electrons carry a negative charge, which is fundamental to their role in electricity and chemistry. This distinguishes them from protons, which have a positive charge, and neutrons, which are neutral.

Tags

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The smallest particle with characteristics of an element is known as the

• Periodic Table

• Atom

• Proton

• Electron

Answer explanation

The smallest particle with characteristics of an element is an atom. Atoms are the basic building blocks of matter, while protons and electrons are subatomic particles that make up atoms.

Tags

NGSS.MS-PS1-1

In terms of matter, the atom is almost entirely filled with _____

• orbiting electrons

• charged protons

• heavy neutrons

• empty space

Answer explanation

In terms of matter, the atom is almost entirely filled with empty space. While protons and neutrons are dense, the vast majority of an atom's volume is the area where electrons orbit, which is mostly empty.

Tags

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Biology starts at the level of ___________ and moves through the study of biospheres.

• atoms

• cells

• organs

• organisms

Answer explanation

Biology begins at the cellular level, as cells are the basic units of life. From cells, the study expands to tissues, organs, organisms, and ultimately biospheres, making 'cells' the correct starting point.

Tags

NGSS.MS-LS1-1

A group of two or more atoms that are bonded together

• elements

• isotopes

• molecules

• essential elements of life

Answer explanation

A molecule is defined as a group of two or more atoms bonded together. This distinguishes it from elements, which are pure substances, and isotopes, which are variants of elements. Thus, the correct answer is molecules.

Tags

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A living thing

• element

• molecule

• isotope

• organism

Answer explanation

An organism is a living thing, encompassing all forms of life, while elements, molecules, and isotopes refer to non-living chemical entities. Therefore, the correct answer is 'organism'.

Tags

NGSS.MS-LS1-1

The correct order for the organization of living things is

• cell -> tissue -> organ -> organ system -> organism

• cell -> atom -> organ system -> organism -> tissue

• cell -> atom -> molecule -> organism -> organ system

• tissue -> cell -> organism -> organ -> organ system

Answer explanation

The correct order of organization in living things starts with the cell, which forms tissues, then organs, followed by organ systems, and finally the complete organism. This sequence accurately reflects biological organization.

Tags

NGSS.MS-LS1-1

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