Classifying Matter

Which of the following tests will be most helpful in confirming the identity of the powder?

• Adding a small amount of vinegar to the powder.

• Dissolving the powder in a beaker of water.

• Testing the electrical conductivity of it in solution.

• Comparing the color of the powder to the other powders.

Tags

NGSS.MS-PS1-2

Based on Lillian's data, which object has the greatest density?

• Object 1

• Object 2

• Object 3

• Object 4

Tags

NGSS.MS-PS1-2

Based on the observations, what can be concluded about the densities of the balls?

• Substance 1 has the highest density of all 4 substances.

• Substance 4 has the lowest density of all 4 substances.

• Substances 1 and 4 have higher densities than substances 2 and 3.

• Substance 2 has lower density than substance 3.

Tags

NGSS.MS-PS1-2

The students found a smaller block of aluminum that is only 1 cm by 1 cm by 1 cm.

Which property do we expect to observe in the smaller block?

• Has a mass of 2.8 kg.

• Floats in water.

• Conducts electricity.

• Attracted to a magnet.

Tags

NGSS.MS-PS1-2

Classify the picture with the correct label.

• Compound

• Mixture of Elements

• Mixture of Elements and Compounds

• Mixture of Compounds

Answer explanation

Tags

NGSS.MS-PS1-1

Classify the picture with the correct label.

• Element

• Compound

• Mixture of Elements and Compounds

• Mixture of Elements

Answer explanation

Tags

NGSS.MS-PS1-1

Classify the picture with the correct label.

• Mixture of Elements

• Compound

• Mixture of Compounds

• Element

Answer explanation

Tags

NGSS.MS-PS1-1

Classify the picture with the correct label.

• Element

• Compound

• Mixture of Elements

• Mixture of Compounds

Answer explanation

Tags

NGSS.MS-PS1-1

What is this?

• Compound

• Element

• Mixture of compounds

Tags

NGSS.MS-PS1-1

Hey there, science explorer! Can you help James and Mia classify this picture with the correct label?

• Compounds

• Mixture of Elements

• Mixture of Compounds

• Mixture of Elements & Compounds

Answer explanation

The correct label is 'Mixture of Compounds' because the picture depicts a combination of different compounds, which retain their individual properties while forming a new mixture.

Tags

NGSS.MS-PS1-1