Test 1 Review 2025

Which of the following is NOT an example of chemical change?

• sour milk
• burning wood
• breaking a pencil
• rust

Tags

NGSS.MS-PS1-2

Which of the following dimensional analysis set-ups, when solved, would give you the number of seconds in one week?

• A

• B

• C

• D

Which of the following is a product of complete combustion?

• oxygen

• limewater

• cobalt chloride

• water

What do we use limewater to test for?

• carbon dioxide

• water

• heat

• smoke

Which of these is a physical property?

• Water is boiling in a beaker on the hot plate.

• The melting point of gold is 1064 degrees Celsius.

• Potassium will react with water violently.

• The iron fence is rusting.

Syrup is on the bottom of this bottle because it is ________ than water.

• heavier

• lighter

• more dense

• less dense

Tags

NGSS.MS-PS1-2

An eraser has a mass of 4 g and a volume of 2 cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

28.5 g of iron is added to a graduated cylinder containing 45.50 mL of water. The water level rises to the 49.10 mL mark, from this information, calculate the density of iron.

• 0.626 g/mL

• 0.580 g/mL

• 7.92 g/mL

• 0.927 g/mL

What is the volume of the liquid? Be sure to record using correct sig figs.

• 63.5 mL
• 63 mL
• 63.55 mL
• 6 mL

What is the volume of the liquid? Be sure to report using correct sig figs.

• 48 mL

• 48.2 mL

• 48.25 mL

• 4 mL