TEKS Unit 8 Science Exam Review

In a solution, the liquid ________ dissolves the ________.

• Solvent, solute

• Solute, solvent

The quantity of heat required to raise a unit mass of homogeneous material 1 K or 1 ºC in a specified way, given constant pressure and volume

• Thermal heat

• Specific heat

• Potential heat

• Special heat

Water has a _______

• High specific heat

• Low specific heat

Tags

NGSS.MS-PS3-4

Caves are formed due to water dissolving limestone, which is made of calcite. When water deposits the dissolved limestone, _______ form from the ceiling down, and ________ form from the floor up.

• Stalagmites, Stalactites

• Stalactites, Stalagmites

We know that water occurs in nature as solid, liquid, and gas. Of the three, what phase does water most commonly exists in?

• Solid

• Liquid

• Gas

• All the same

Water ________ as it freezes, because solid ice has a _________ volume than liquid water.

• Shrinks, greater

• Shrinks, smaller

• Expands, greater

• Expands, smaller

Tags

NGSS.MS-PS1-4

What is this process called? Liquid water seeps into the cracks of rocks; When it freezes, it expands, and the expansion forces the rocks apart.

• Water wedging

• Wind wedging

• Frost wedging

• Freeze wedging

How does the structure of the water molecule make it a good solvent? AKA "The Universal Solvent"

• It can be found in all three phases of matter at Earth’s surface.

• It is a polar molecule.

• It has a partial neutral charge.

What might be a reason for the difference in the climate conditions between a city on the coast and one far from the coast?

• The ocean has a moderating effect on the climate of the city near the coast.

• The land has a moderating effect on the climate of the city far from the coast.

• The city on the coast receives more sunlight.

• The city far from the coast is drier.

Tags

NGSS.MS-ESS2-6

If Substance A has a higher specific heat capacity than Substance B, which of the following is true?

• Substance A dissolves polar molecules better than Substance B.

• Substance B freezes at a higher temperature than Substance A.

• Substance A requires more energy to change its temperature than Substance B.

• Substance B changes temperature more slowly than Substance A.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4