6th Grade 1st 9 Weeks Quiz

Hector fills two glasses with liquids as shown below. Which liquid is the MOST dense?

• Liquid A

• Liquid B

• Liquid C

• Liquid D

Tags

NGSS.MS-PS1-2

Students are comparing two mixtures. The first mixture is of sand and water, while the second mixture is of sugar and water. Which of the mixtures is also a homogeneous mixture?

• Neither mixture is a homogeneous mixture.

• The sand and water mixture is a homogeneous mixture.

• The sugar and water mixture is a homogeneous mixture.

• Both mixtures are homogeneous mixtures.

Francesca mixed three liquids together in a jar at the beginning of class. She noticed that, at the end of class, the liquids had separated. Which choice best describes the density of the liquids?

• All three liquids have the same density.

• Two of the liquids have the same density, but the third liquid is heavier.

• The black liquid is the most dense.

• The liquids were not mixed well at the beginning of class.

Tags

NGSS.MS-PS1-2

What evidence from the picture BEST supports the answer in Part A?

• The liquid at the top is light blue.

• The black liquid is at the bottom of the jar.

• The liquid at the bottom of the jar is the darkest.

• There is no evidence in the picture.

Tags

NGSS.MS-PS1-2

Which statement BEST describes the motion of water molecules as the water changes state from gas to liquid?

• A. The molecules move faster and occupy more space.

• B. The molecules move slower and occupy more space.

• C. The molecules move faster and occupy less space.

• D. The molecules move slower and occupy less space.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Look at the containers below. Select the container that holds the object with the least density.

• Cork

• Wood

• Iron

Tags

NGSS.MS-PS1-2

Beach sand is made of small, worn rocks and fragments of shells and sponges. This means that beach sand is —

• a solid

• a mixture

• a compound

• unstable

A student is making observations during a lab in class. Which of the following observations represents evidence of a chemical change?

• Colorful candy melts and stains a student's hands the color of the candy.

• A student uses their teeth to grind the candy into smaller pieces.

• A student drops candy in boiling water and sees the candy dissolve.

• A student swallows the candy and it is broken down by stomach acid.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is the best definition of a chemical change, as described in Part A?

• A chemical change occurs when a substance changes its appearance.

• A chemical change occurs when a substance or object changes shape.

• A chemical change results from a change that causes a new substance to form.

• A chemical change results from a change that causes a new shape to form.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Based on the information in the table, decide if each element is a metal, nonmetal, or metalloid. Move the answers to the correct boxes.

• Element 1: nonmetal Element 2: metal Element 3: metalloid

• Element 1: metal Element 2: nonmetal Element 3: metalloid

• Element 1: metalloid Element 2: metal Element 3: nonmetal

• Element 1: nonmetal Element 2: metalloid Element 3: metal