Georgia Milestone Science Review

Which of the following best describes the velocity of an object?

• 30 m/s

• 30 m/s east

• 30 m/s²

• 30 m

What is the difference between the velocity and speed of an object?

• Velocity is the change in distance over time, while speed is the change in velocity over time.

• Velocity has a direction associated with it, while speed has no specific direction.

• Velocity is the change in speed over time, while speed is the change in distance over time.

• Velocity has no direction associated with it, while speed has a specific direction.

The diagram shows a graduated cylinder containing water. From which position will the most accurate measure of the volume of water be made?

• Position 1

• Position 2

• Position 3

• Position 4

Which graph represents zero acceleration (constant velocity)?

• A

• B

• C

• D

The most penetrating type of radiation is the _______.

• beta particle

• gamma ray

• uranium

• alpha particle

A gas-like mixture with no definite volume or shape that is made up of positively and negatively charged particles is a ____.

• gas

• plasma

• liquid

• solid

Most matter ____ when heated. 

• expands

• contracts

• condenses

• solidifies

Tags

NGSS.MS-PS1-4

As a sample of matter is heated, its particles ____. 

• are unaffected

• Move more quickly

• stop moving

• move more slowly

Tags

NGSS.MS-PS1-4

The atoms of a certain element each contain 11 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity?

• The element is sodium, and it is highly reactive

• The element is fluorine, and it is highly reactive

• The element is sodium, and it is not very reactive

• The element is fluorine, and it is not very reactive

Which of these elements would have properties most similar to arsenic (As)?

Use the periodic table and your notes slides.

• Silicon (Si)

• Selenium (Se)

• Tin (Sn)

• Phosphorus (P)