Unit I & II Assessment

Everett and Benji are building a model of an atom for their science project. They want to place each type of particle in the correct location. Which particle(s) should Everett and Benji NOT put inside the nucleus of their model?

• Protons

• Electrons

• Neutrons

• Quark

Tags

NGSS.MS-PS1-1

Benji and Kinsey are learning about the building blocks of matter in their science class. They wonder what the smallest piece of matter is that still has the properties of an element. What is the answer?

Tags

NGSS.MS-PS1-5

Kaiden and Mia are learning about atoms in their science class. They discover that some particles inside the atom do not have a positive or negative charge. Neutrons have a _________ charge.

• Negative

• Positive

• Neutral

Kaiden is helping his younger brother with his science homework. He shows him a box from the periodic table and asks him to label what each part represents. What does the number at the top of the box represent?

• Atomic Number

• Atomic Mass

• Symbol

• Element

Kaiden and Kaia are learning about atoms in their science class. They discover that a particle in an atom with a negative charge is called a(n) ___________________.

Tags

NGSS.MS-PS1-1

Kaia is learning about atoms in her science class. She discovers that there is a particle in an atom with a positive charge. What is this particle called?

Tags

NGSS.MS-PS1-1

While helping Kaia set up a science experiment, you come across a chart showing different particles in an atom. Kaia asks you which particle in an atom has a neutral charge. You tell her it is called a(n) ___________________.

Mia and Anthony are learning about atoms in their science class. They wonder why atoms have no electric charge. What is the reason?

• have neutrons in their nucleus

• have an equal number of protons and electrons

• always have an equal number of protons and neutrons

Mia and Benji are building a model of an atom for their science project. They want to accurately represent the nucleus. What should they include in the nucleus of their model?

• protons and neutrons

• protons only

• protons and electrons

• neutrons and electrons

Kinsey is studying the properties of iron for her science project. She learns that an iron atom has an atomic mass of 56 and an atomic number of 26. How many neutrons does the iron atom have?

• 30

• 56

• 26

• 82