SCI.PS - Unit 2 - Matter and Its Properties (Systemwide)

Compare the atomic models shown below. Which model best illustrates our current understanding of the structure of the atom?

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Tags

NGSS.MS-PS1-1

The students in a class are making a scale model. They need a material that they can easily bend into a circle. Which of the following objects is best for the students to use?

• Copper wire

• Glass rod

• Lead pipe

• Wooden stick

Which of the following is the same for both compounds?

• A. The mass of each molecule

• B. The length of each molecule

• C. The types of atoms in each molecule

• D. The number of atoms in each molecule

Tags

NGSS.MS-PS1-1

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Fill in the blank: Water boils at _______ degrees Celsius.

• 100

• 50

• 150

• 200

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Is this matter? Click on the picture that is not matter.

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Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

What property of matter did the team use to figure out which clear liquid was which?

• density
• solubility
• conductivity
• magnetism

Tags

NGSS.MS-PS1-2

Which property of the rock can be directly determined when the rock is placed in the overflow container?

• Density

• Hardness

• Mass

• Volume

Which of the following graphs correctly represents the relative mass of atomic particles in the electron cloud model?

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Tags

NGSS.MS-PS1-1

Refer to the element block for argon from the periodic table. How many neutrons does the element argon have?

• 40

• 22

• 18

• 8

Tags

NGSS.MS-PS1-1