Physical Science (pt. 2): properties of matter, mixtures..

Physical Science (pt. 2): properties of matter, mixtures..

8th Grade

23 Qs

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Physical Science (pt. 2): properties of matter, mixtures..

Physical Science (pt. 2): properties of matter, mixtures..

Assessment

Quiz

Science

8th Grade

Hard

SC.8.P.9.2, SC.8.P.8.7, SC.8.P.9.3

+3

Standards-aligned

Created by

Edny Martinez

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described as...

The Bohr model of the atom.

The modern model of the atom.

The plum pudding model of the atom.

The solar system model of the atom.

Tags

SC.8.P.8.7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Modern atomic theory states that the atom is a diffuse cloud surrounding a small, dense nucleus. Identify which particle is in the nucleus.

proton
photon

free radical

electron

Tags

SC.8.P.8.7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Modern atomic theory states that the atom is a diffuse cloud of ________ surrounding a small, dense nucleus.

protons
neutrons
photons
electrons

Tags

SC.8.P.8.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which subatomic particle is involved in a chemical reaction?

A

B

C

D

Tags

SC.8.P.8.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which part of the diagram represents the proton?

A

B

C

D

Tags

SC.8.P.8.7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of these is NOT characteristic of acids?

Corrosive to metals
Sour smell
Bitter taste
Red litmus paper turns blue

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The pH scale runs from 0 to 14, and is an indication of how acidic or basic a solution is. A pH close to zero indicates a(n) _______ solution, and a pH near 14 indicates a(n) _______ solution.

basic; acidic


neutral; basic

acidic; neutral

acidic, basic

Tags

SC.8.P.8.8

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