Science 9 Week Review

Which of the following is a physical property that can be used to compare and contrast matter?

• Color

• Mass

• Taste

• Smell

Tags

TEKS.SCI.5.6A

What happens to the physical properties of iron filings and sand when they are mixed together?

• They form a new substance with different properties.

• They maintain their individual physical properties.

• They dissolve in each other.

• They change color.

Tags

TEKS.SCI.5.6B

When sugar is dissolved in water, what happens to the mass of the solution compared to the mass of the sugar and water before mixing?

• The mass decreases.

• The mass increases.

• The mass remains the same.

• The mass doubles.

Tags

TEKS.SCI.5.6C

Which of the following best illustrates that matter is made up of particles too small to be seen?

• A balloon deflating over time.

• A rock sinking in water.

• A piece of paper burning.

• A metal spoon conducting heat.

Tags

TEKS.SCI.5.6D

What is the result of unequal forces acting on an object?

• The object remains stationary.

• The object moves in a straight line.

• The object changes its motion.

• The object loses energy.

Tags

TEKS.SCI.5.7A

Which property would you use to determine if an object will float or sink in water?

• Volume

• Relative density

• Solubility

• Magnetism

Tags

TEKS.SCI.5.6A

When sand is mixed with water, what happens to the sand?

• It dissolves completely.

• It forms a new compound.

• It settles at the bottom.

• It changes color.

Tags

TEKS.SCI.5.6B

How does the solubility of a substance change when it is dissolved in water?

• It becomes more soluble.

• It becomes less soluble.

• It remains unchanged.

• It disappears completely.

Tags

TEKS.SCI.5.6C

Which example demonstrates that air is made up of particles too small to be seen?

• A balloon inflating.

• A rock breaking.

• A leaf falling.

• A candle melting.

Tags

TEKS.SCI.5.6D

What happens when equal forces act on an object in opposite directions?

• The object accelerates.

• The object remains in motion.

• The object remains stationary.

• The object changes shape.

Tags

TEKS.SCI.5.7A