Anything that has mass and takes up space is called:

What type of change occurs when a new substance is formed with different properties?

• Physical Change

• Chemical Change

• State Change

• Phase Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the term for the amount of matter in an object?

• Weight

• Volume

• Density

• Mass

What does a coefficient in a chemical equation tell you?

• The number of molecules of that type in the reaction

• The number of atoms of that type in one molecule

• The number of reactants in the equation

• The number of products in the equation

What is the role of reactants in a chemical equation?

• They are the atoms that are destroyed by the chemical reaction.

• They are the molecules that are broken apart in a chemical reaction.

• They are the atoms that are created by the chemical reaction.

• They are the new molecules that are formed in a chemical reaction.

Tags

NGSS.MS-PS1-5

What is the difference between an endothermic reaction and an exothermic reaction?

• An endothermic reaction releases energy, while an exothermic reaction absorbs energy.

• An endothermic reaction absorbs energy, while an exothermic reaction releases energy.

• An endothermic reaction involves only physical changes, while an exothermic reaction involves chemical changes.

• An endothermic reaction involves only chemical changes, while an exothermic reaction involves physical changes.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is density?

• The amount of space an object occupies.

• The force of gravity on the mass of an object.

• How tightly packed the mass of an object is; Mass/Volume.

• The amount of mass in an object.

What group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals?

• Transition metals

• Alkali metals

• Halogens

• Metalloids

Which family of elements reacts violently with water and exposure to air?

• alkali metals

• noble gasses

• transition metals

• metalloids

Tags

NGSS.MS-PS1-2

Sort the terms into the following categories:

Groups:

(a) Describe the image

,

(b) Do NOT describe the image

• compound

• molecules

• pure substance

• element

• atoms

• mixture

Tags

NGSS.MS-PS1-1