STAAR Review Day 1 - Properties of Matter

Match the following

• Conductor

• How tightly packed particles are inside a substance using water as a reference point

• Solubility

• When a substance dissolves evenly into another substance

• Density

• A material that does not allow energy to pass through or stop

• Insulator

• A material that allows energy to pass or go through

Tags

NGSS.MS-PS3-5

Students observe some objects on a lab tray. The students will classify the objects based on physical properties common to all of the objects. Complete the table to show the title of each column, based on the physical property of the object the student is classifying. Write ONE correct letter in each box.

A. Soluble in water

B. Magnetic

C. State of Matter

D. Floats in water

a

b

c

d

A.

D.

C.

B.

A student placed vegetable oil and an iron nail in a container of water to determine the density of the objects. What did the student most likely observe?

• The vegetable oil is less dense than water, while the iron nail is more dense.

• The vegetable oil and the iron nail are more dense than water.

• The vegetable oil and the iron nail are less dense than water.

• The vegetable oil is more dense than water, while the iron nail is less dense.

A student places objects in a bucket of water to determine if they will float.

Which set of items is less dense than water?

• Plastic paper clip, penny, and cork

• Toothpick, metal spoon, and plastic paper clip

• Metal spoon, vegetable oil, and penny

• Toothpick, cork, and vegetable oil

A student filled each of four beakers with 100 mL of water at 25° C. The student added an equal amount of a different substance to each of the beakers of water.

Based on the student’s observations in the table, how many of the substances did NOT dissolve in the water?

• 1 substance

• 2 substances

• 3 substances

• 4 substances

Tags

NGSS.MS-PS1-2