Test #2 Physical and Chemical Changes + States of Matter p4

In the "Egg in A Flask" phenomenon, the hot plate converted electrical energy into __________ energy in order to heat up the water in the flask by conduction. 

• chemical 
• thermal 
• nuclear
• atomic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

This is a state of matter in which the particles are most packed together and are said to vibrate in place (move the least). 

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A physical change rearranges the substance into a new substance. Chemical changes change the appearance of a substance but not the identity of the substance. True or false? 

• True
• False. 

Tags

NGSS.MS-PS1-2

These are used to describe a substance without changing the identity of the substance. 

• physical properties
• chemical properties
• flammibility

Which is NOT an example of a physical property?

• melting point
• odor
• density
• flammability

The identity of a substance is determined by its

• physical properties
• chemical properties
• arrangement of the atoms and bond strength
• all of these options

How fast or slow the molecules are moving in a substance

• kinetic energy
• thermal energy
• atomic energy
• nuclear energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

To change a substance from a gas to a liquid, you must _____ thermal energy(heat). 

• add
• remove
• matter
• nonmatter

Tags

NGSS.MS-PS1-4

In order to change a solid into a liquid, you must ______ thermal energy (heat). 

• add
• remove
• matter
• nonmatter

Tags

NGSS.MS-PS1-4

In order to change a gas into a liquid, you must _________  heat. 

• add
• remove

Tags

NGSS.MS-PS1-4