E. S. Pracitice Quiz -3.1

All material in the universe that has mass and occupies space is called

• Covalent
• Matter
• Carbon

Tags

NGSS.MS-PS1-5

Macromolecule is;

• A small molecule
• An element
• A large molecule

The central core of every atom, containing particles called protons and neutrons, is called a(n)

• Bond
• Nucleus
• Electron

The basic units of matter, the smallest units that maintain the chemical properties of an element, are called

• Atom
• Lipids
• Matter

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Because of their LARGE SIZE, proteins, nucleic acids, carbohydrates, and lipids are together called

• Tiny molecules
• Elements
• Macromolecules

True or false: pH levels are used to measure a solutions acidity level/basic level

• True
• False

An element is:

• A chemical substance that CANNOT be broken down into other substances
• The central core of any atom
• An organic compound that only contains hydrogen and carbon

Water molecules are composed of

• one oxygen atom and two hydrogen atoms.
• two oxygen atoms and one hydrogen atom.
• one oxygen atom and one hydrogen atom.

Tags

NGSS.MS-PS1-1

True or False: Water can dissolve many other molecules.

• True
• False

All of the following are Macromolecules EXCEPT which one:

• Protein
• Carbohydrates
• Hyrdocarbons