6th Grade Science Benchmark Review

(6.6A) Why are these materials (copper and aluminum) good choices for cooking and electricity?

• Nonmetals are poor conductors of heat and electricity.

• Metals are good conductors of heat and electricity.

• Nonmetals are good insulators of heat and electricity.

• Metalloids are semiconductors of electricity.

(6.6A) How would you classify Sample 3 on the table above?

• Metal

• Nonmetal

• Metalloid

• Compound

(6.6B) A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 16.8 g and a volume of 3.3 cm³ . What is the density of the mineral sample?

• 0.2 g/cm³

• 5.1 g/cm³

• 55.44 g/cm³

• 20.1 g/cm³

Tags

NGSS.MS-PS1-2

(6.6B) A balance and a graduated cylinder are used to determine the density of a mineral sample. The sample has a mass of 20.3 g and a volume of 4.7 cm³ . What is the density of the mineral sample?

• 0.23 g/cm³

• 95.41 g/cm³

• 4.3 g/cm³

• 15.6 g/cm³

Tags

NGSS.MS-PS1-2

(6.8C) A bus travels 40 km in 30 minutes. What is the average speed of the bus?

• 80 km/h

• 70 km/h

• 60 km/h

• 50 km/h

(6.8C) A bus travels 80 km in 30 minutes. What is the average speed of the bus?

• 120 km/h

• 140 km/h

• 160 km/h

• 180 km/h

(6.5A) Which substance represented in this equation is classified as an element?

• C₄H₁₀

• CO₂

• H₂O

• O₂

Tags

NGSS.MS-PS1-1

(6.5A) Which of the following substances is an element?

• CH₄

• Fe₂

• CO₂

• H₂O

(6.5C) Which of the following would indicate the formation of a new substance?

• A liquid turns to a solid.

• A sample of metal melts.

• Bubbles and fizzing occur.

• A solid is dissolves in a liquid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

(6.5C) What evidence would indicate that a new substance is produced?

• The tablets dissolve in water.

• The water becomes cloudy.

• The water level increases slightly.

• Bubbles are given off.

Tags

NGSS.MS-PS1-2