Science Benchmark Review

Flour, sugar, cocoa, oil, and eggs are mixed together and placed in the oven to make brownies.  When the brownies are removed from the oven, they no longer look like the original ingredients.

Which of the following describes why the ingredients changed?

• A biological change occurred.

• No change occurred.

• A physical change occurred.

• A chemical change occurred.

Tags

NGSS.MS-PS1-2

Two liquids are mixed together.  Which of the following does NOT identify the formation of a new substance?

• A. A gas is produced.

• B. One liquid dissolves into the other.

• C. The temperature changes.

• D. A solid is formed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which statements correctly compare metals and nonmetals?

• A. Metals tend to be good conductors of thermal energy. Nonmetals tend to be good insulators of thermal energy.  

• B. Metals are dull and brittle.  Nonmetals are shiny and malleable. 

• C. Metals are good insulators of electricity.  Nonmetals tend to be good conductors of electricity. 

• D. Metals cannot be stretched into thin wires.  Nonmetals can be stretched into thin wires.

Which sample is most like a nonmetal?

• 1

• 2

• 3

• 4

Based on the data given, the unknown metal is most likely - 

• gold

• iron

• silver

• tin

According to the table, which object has a density of 3 g/cm3?

• Object 1

• Object 2

• Object 3

• Object 4

• Object 5

A streak test used to identify minerals requires —

• A. studying crystals with a magnifying glass

• B. scratching the mineral with an iron nail

• C. identifying the color of the powdered mineral

• D. observing how it reflects light from its surface

The ability of one mineral to scratch another mineral is determined by the mineral’s —

• A. luster

• B. streak

• C. color

• D. hardness

A rock that falls off a cliff represents both potential and kinetic energy. Which statement best represents the energy transformation involved in this scenario?

• A. As the potential energy decreases, the kinetic energy decreases.

• B. As the potential energy increases, the kinetic energy increases.

• C. As the potential energy decreases, the kinetic energy increases.

• D. As the potential energy increases, the kinetic energy stays the same.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Based on the information above, which statement best describes the energy of the two birds?

• A. Bird Q and Bird R have the same kinetic energy and potential energy.

• B. Bird Q and Bird R have the same kinetic energy but different potential energy.

• C. Bird Q and Bird R have no kinetic energy but have the same potential energy.

• D. Bird Q and Bird R have the same potential energy but different kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5