Hazel Point Chemical Interactions Test

What happened to the kinetic energy of the blue water particles in the jar when you put it in the hot water?

• The kinetic energy of the water particles increased.

• The kinetic energy of the water particles decreased.

• There was no change in the kinetic energy of the water particles.

• The kinetic energy decreased then increased

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is between the particles in the syringe?

• matter

• space

• more gas

• sodium

The picture shows how the hot watermark should look compared to the room temperature mark. True or False

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When two or more substances combine to form a more complex substance, the process is called a ______________.

• decomposition reaction

• replacement reaction

• synthesis reaction

• physical change

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

It is the study of chemicals and their interactions.

• Biology

• Hydrology

• Chemistry

• Respiratory System

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

The number in front of a chemical formula that tells how many molecules or atoms of each reactant take part in a reaction is called a ___________________.

• symbol

• subscript

• coefficient

• concentration

The energy required to start a chemical reaction is called ______________________.

• inhibitor

• activation energy

• enzyme

• fuel

Tags

NGSS.HS-PS1-4

A change in matter that produces a new substance is called a _____________________.

• chemical reaction.

• physical change.

• mixture.

• solution.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical reaction in which energy is absorbed in the form of heat is called __________________.

• synthetic

• exothermic

• combustion

• endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Chemical equations must be balanced because chemical reactions obey the principle of _________________________.

• activation

• conservation of mass

• decomposition

• mass coefficients

Tags

NGSS.MS-PS1-5