Milestone Review Science

Explain why the noble gases are stable.  

• Complete outer Shell

• They are better than you

• They are royalty

• Better electrons

Compare the masses of protons, electrons, and neutrons.

• Protons and neutrons are the same ,electrons have a smaller mass

• electrons are heaver

• protons are lighter

• neutrons are lighter

How are isotopes the same and how are they different?

• Same neutrons different atoms

• In the nucleus

• Same atoms,different neutrons

• Atoms are heaver than isotopes

What is unusual about the structure of hydrogen-1?  

• Has no proton

• Has no neutrons

• Has no electrons

Tags

NGSS.MS-PS1-1

A substance with a mass of 10 g is heated to produce two new substances. The mass of the first new substance is 9.3 g and the mass of the second new substance is 0.7 g. Which of the following is best demonstrated by this example?

• heat transfer

• physical change

• law of conservation of mass

• law of conservation of energy

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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

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