8th Grade Science Review

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Tags

NGSS.MS-PS1-1

Front

What does the color of a star indicate?

Back

The color of a star indicates its temperature.

Front

How do you balance a chemical equation?

Back

To balance a chemical equation, ensure that the number of atoms of each element is the same on both sides of the equation.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is friction?

Back

Friction is the resistance that one surface or object encounters when moving over another.

Front

What factors affect friction?

Back

Friction depends on the weight of the objects pressing together and the nature of the surfaces in contact.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that is present at the start of a chemical reaction and is consumed during the reaction.

Tags

NGSS.MS-PS1-5

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is a double replacement reaction?

Back

A double replacement reaction is a type of chemical reaction where two compounds exchange ions to form two new compounds.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Tags

NGSS.MS-PS1-1