What is the sun mostly composed of?

• Water

• Plasma

• Ice

• Rock

Tags

NGSS.MS-PS1-1

Which of the following best defines 'Matter'?

• A) Anything that takes up space and has mass.

• B) Only liquids and gases.

• C) Only things that are visible.

• D) Only solids.

Fill in the blank: All matter is composed of _______.

• atoms

• cells

• molecules

• energy

Tags

NGSS.MS-PS1-1

Which of the following is NOT a component of an atom?

• Protons

• Neutrons

• Electrons

• Photons

Tags

NGSS.MS-PS1-1

What is the center of an atom called, where protons and neutrons are located?

• Nucleus

• Electron cloud

• Shell

• Orbit

Tags

NGSS.MS-PS1-1

What is the region called where electrons orbit (circle around) the nucleus?

• Outside Nucleus

• Inside Nucleus

• Proton Zone

• Neutron Shell

Tags

NGSS.MS-PS1-1

A substance made of one type of atom, for example oxygen, is called a(n) ________.

• Element

• Compound

• Mixture

• Molecule

A group of elements bonded together is called a(n) ________.

• Molecule

• Atom

• Ion

• Compound

Tags

NGSS.MS-PS1-1

A variation of an atom that has a different number of neutrons is called a(n) ________.

• Isotope

• Ion

• Molecule

• Element

Tags

NGSS.MS-PS1-1

What is nuclear fusion?

• The splitting of an atom's nucleus to release energy

• Atoms crashing into each other and releasing energy, powering the sun

• The process of uranium decaying over time

• The innermost region of the sun

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8