16

Which planet has iron in its soil and is the red planet?

• Mercury

• Venus

• Earth

• Mars

What is a common characteristic of the inner planets?

• Large

• Gaseous

• Rings

• Rocky Surface

Tags

NGSS.MS-ESS1-3

What kind of energy is in a rock at the edge of a cliff?

• Gravitational Potential Energy

• Kinetic Energy

• Both potential and kinetic energy

• none of the above

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

London is collecting various equipment to be used for a science fair project. Which item should he choose to demonstrate the insulation of thermal energy and why?

• Aluminum pie pan, because heat travels through it quickly

• Plastic knife, because it can melt easily

• Wooden log, because it can be used to start a fire

• Wool sweater, because it keeps people warm

Tags

NGSS.MS-PS3-3

All of the pictures are examples of what type of energy?

• gravitational potential energy

• elastic potential energy

• chemical potential energy

• kinetic potential energy

Tags

NGSS.MS-PS2-4

What is the atomic number of Sulfur?

• 14

• 15

• 16

• 17

How many valence electrons does an oxygen atom have?

• 4

• 6

• 8

• 16

Which of the following elements has an atomic mass closest to 16?

• Carbon

• Oxygen

• Nitrogen

• Fluorine

In the periodic table, which group contains elements with 16 electrons in their outer shell?

• Group 14

• Group 15

• Group 16

• Group 17

What is the molar mass of methane (CH4)?

• 16 g/mol

• 18 g/mol

• 20 g/mol

• 22 g/mol