Final Exam review (Compacted Science)

A solid is described as a "heavy, red, and odorless." This is a __________ observation.

• hypothetical

• qualitative

• conclusive

• quantitative

A student observes two different changes: water freezing and a liquid bubbling in vinegar.

• The water underwent a chemical change, while the liquidunderwent a physical change.

• The water underwent a physical change, while the liquid underwent a chemical change.

• Both of these are physical changes.

• Both of these are chemical changes.

Tags

NGSS.MS-PS1-2

When instructed to smell a liquid in a test tube, ___________________________.

• breathe in deeply as you hold the test tube directly under your nose.

• breathe in deeply as you waft fumes towards your nose.

• breathe in lightly as you use both hands to hold the test tube directly under your nose.

• breathe in lightly as you waft the fumes towards your nose.

Once you have performed an experiment and recorded all of your data, you should ______.

• analyze your data to form a conclusion

• make a hypothesis

• gather information

• state the problem

Tags

NGSS.MS-PS1-2

The volume of water in the graduated cylinder below is __________.

• 40.0 mL

• 40.3 mL

• 43.0 mL

• 46.0 mL

A stone with a mass of 5.0 g is placed in a graduated cylinder which has 10.0 mL of water in it. After the stone settles to the bottom, the water level reaches 12.0 mL. What is the density of the stone?

• 0.4 g/mL

• 0.7 g/mL

• 2.0 g/mL

• 2.5 g/mL

2g of copper is combined with 1g sulfur and heated in a test tube with a rubber sheet. What is the total mass of the solids and gases that are created by the reaction?

• 1.0g

• 2.0g

• 3.0g

• 4.0g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance has a freezing point of 35 °C and a boiling point of 93 °C. This substance would be a _______ at 98 °C.

• liquid

• solid

• gas

• a combination of liquid and gas

Tags

NGSS.MS-PS1-4

The mass of an object whose density is 4g/mL and whose volume is 8 mL is ______.

• .5g

• 2g

• 12g

• 32g

An object that is rectangular shape has a mass of 25.0g. It is 5.0 cm long, 2.0 cm wide, and 1.0 cm high. Its density is ______.

• 10.0 cm³

• 2.5 g/ cm³

• 0.4 g/ cm³

• 250.0 g