Physical Science Final Practice Quiz

Power is the rate at which work is done, and it is calculated as work divided by ______.

Friction is less when an object is ______ compared to sliding.

Newton's 1st law of motion is also known as ______, stating that an object at rest or in motion stays that way unless acted on by an outside force.

The Law of Conservation of Mass states that matter cannot be ______ nor destroyed.

Tags

NGSS.MS-PS1-5

______ is the type of chemical reaction where two or more substances combine to form a more complex product.

Tags

NGSS.MS-PS1-5

What are the reactants and products in the chemical equation 2 H2O2 → 2 H2O + O2?

• H2O2 and O2
• H2O2 and H2O
• H2O and H2O2
• H2O and O2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What does the symbol (l) represent in a chemical reaction?

• Solid
• Gas
• Yield arrow
• Liquid

What does the symbol (g) represent in a chemical reaction?

• Liquid
• Yield arrow
• Gas
• Solid

Tags

NGSS.MS-PS1-4

Which type of chemical reaction is represented by the equation 2 Mg + O2 → 2 MgO?

• Decomposition
• Combustion
• Single Replacement
• Synthesis

In a combustion reaction, what are the products when 2 C6H10 + 17 O2 react?

• 6 CO2 + 10 H2O
• 12 CO2 + 17 H2O
• 12 CO2 + 10 H2O
• 6 CO2 + 5 H2O

Tags

NGSS.HS-PS1-7