7th Grade Midterm 23-24

7th Grade Midterm 23-24

7th Grade

•

30 Qs

quiz-placeholder

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7th Grade Midterm 23-24

7th Grade Midterm 23-24

Assessment

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Medium

•
NGSS
MS-PS1-1, MS-LS1-2, MS-PS1-4

+4

Standards-aligned

Created by

Elizabeth LaFleur

Used 14+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The image shows two different atomic models made by two students. What can be concluded about the models?

Both models are accurate because they show protons and electrons inside the nucleus.

Model 1 is accurate because the numbers of protons and electrons inside the atom are the same.

Both models are accurate because they contain positively charged protons and negatively charged electrons.

Model 2 is accurate because it shows protons and neutrons at the center of the atom and electrons in orbits around the center.

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

An atom of chlorine has an atomic number of 17 and an atomic mass of 35. How many protons and neutrons are in the atom?

17 protons and 17 neutrons

17 protons and 18 neutrons

18 protons and 17 neutrons

18 protons and 18 neutrons

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A student is writing a formula for a compound. What must the student always remember to include?

at least one number written low as a subscript

at least two capital letters

at least two lowercase letters

at least one number written large as a coefficient

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The atmosphere is made of several gases including nitrogen (N2), oxygen (O2), argon (Ar), and carbon dioxide (CO2). How can the gases in Earth’s atmosphere be described?

monoatomic and diatomic elements only

diatomic elements and compounds only

monoatomic elements and compounds only

monoatomic and diatomic elements, and compounds

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How is an elemental molecule different from a compound molecule?

An elemental molecule contains only one atom of one element, while a compound molecule contains two or more atoms of the same element.

An elemental molecule contains only one atom of one element, while a compound molecule contains atoms of two or more different elements.

An elemental molecule contains two or more atoms of the same element, while a compound molecule contains atoms of two or more different elements.

An elemental molecule contains atoms of two different elements, while a compound molecule contains two or more atoms of the same element.

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

A student packs a salad for lunch. How can the salad be classified?

compound

element

heterogeneous mixture

homogeneous mixture

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The diagram represents a sample of matter. How is the sample of matter best classified?

compound

diatomic element

mixture

monoatomic element

Tags

NGSS.MS-PS1-1

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