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1st 9 Weeks Science Study Guide Part 2

Authored by ASHLEY ALLEN

Science

7th Grade

NGSS covered

Used 9+ times

1st 9 Weeks Science Study Guide Part 2
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A mixture of sand and gravel can be separated by putting it in a container with holes that only the sand can pass through. This method works to separate the mixture because sand and gravel differ in which physical property?

Color

State

Size

Weight

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What physical properties are used to classify elements as metals?

Color, smell, physical state

Reactivity, streak, hardness

Ability to burn, mass, density

Luster, conductivity, malleability

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following describes an investigation to determine a chemical property?

Measuring the density of a sample of balsa wood

Determining the melting point of lead

Measuring the boiling point of sugar water

Determining the reactivity of baking soda and vinegar

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which gas law states that the pressure exerted by gas particles is inversely proportional to the volume occupied by the gas?

Boyle's Law

Charles' Law

Avogadro's Law

The Ideal Gas Law

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The model of the atom has changed drastically over human history. Which of the following is NOT part of the currently accepted model of the atom?

Atoms have a small, dense, positively-charged nucleus.

Electrons move in defined orbits around the nucleus.

Protons and neutrons are found in the nucleus.

Most of an atom's mass is found in the nucleus.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following scientists proposed the "plum pudding" model of the atom?

J. J. Thomson

John Dalton

Ernest Rutherford

Niels Bohr

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name for the type of subatomic particle that is electrically neutral and found in the nucleus of an atom?

Proton

Neutron

Ion

Electron

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