Atoms and Molecules

During a science class, Noah asked, 'What chart should you reference to lookup information about elements?'

• Elemental Map

• Periodic Table of Elements

• Table of Elements

• Chart of Science Information

Answer explanation

To lookup information about elements, you should reference the Periodic Table of Elements.

During a science experiment, Aria observed that this subatomic particle of an atom has a POSITIVE charge. Which particle did Aria observe?

• Electron

• Proton

• Atom

• Neutron

Answer explanation

Aria observed a subatomic particle with a POSITIVE charge, which is the Proton.

During a science experiment, Liam and Isla observed that protons and neutrons clump together to form the __________ of an atom.

• Nucleus

• Centrosome

• Outer shell

• Orbital

Answer explanation

During a science experiment, Liam and Isla observed that protons and neutrons clump together to form the nucleus of an atom.

Tags

NGSS.MS-PS1-1

Abigail and Aiden are building a model of a molecule. A molecule is made up of ____ or more atoms.

• 1

• 2

• 3

• 4

Answer explanation

A molecule is made up of 2 or more atoms, so the correct answer is 2.

Tags

NGSS.MS-PS1-1

Mia and Charlotte are doing a science experiment. They need to know the number of atoms it would take to make a molecule of Carbon Dioxide. (CO2)

• 1

• 2

• 3

• 4

Answer explanation

To make a molecule of water, it requires 3 atoms - 2 hydrogen atoms and 1 oxygen atom. Therefore, the correct answer is 3.

Tags

NGSS.MS-PS1-1

During a science class, Evelyn asked, 'All matter is made of what?'

• Stuff

• Compounds

• Electrons

• Atoms

Answer explanation

During a science class, Evelyn asked what all matter is made of. The correct answer is 'Atoms' as they are the basic building blocks of matter.

Tags

NGSS.MS-PS1-1

During a science experiment, Aiden observed that this subatomic particle of an atom has a NEGATIVE charge. Which particle did Aiden observe?

• Electron

• Proton

• Atom

• Neutron

Answer explanation

Aiden observed the subatomic particle with a NEGATIVE charge, which is the Electron.

During a science experiment, Zoe and Isla are analyzing a sulfuric acid molecule (H₂SO₄). What is the number of atoms in a sulfuric acid molecule?

• 2 and 4

• 7

• 4

• 2

Answer explanation

A glucose molecule (C6H12O6) contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms, totaling to 24 atoms in total.

Tags

NGSS.MS-PS1-1

During a science experiment, Scarlett observed that this subatomic particle of an atom has NO charge. Which particle did Scarlett observe?

• Electron

• Proton

• Atom

• Neutron

Answer explanation

Scarlett observed the neutron during the science experiment, as neutrons have no charge.

During a science quiz, Grace asked, 'Which element has the symbol 'H'?

• Helium

• Holmium

• Salt

• Hydrogen

Answer explanation

The element with the symbol 'C' is Carbon, making it the correct choice for Grace's question during the science quiz.