Quiz 7 review

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1 point

What is responsible for rain, erosion, and weathering?

Water Cycle

The Moon's Gravity

Magnetic Shield

Plate Tectonics

1 point

What are the four kinds of building blocks for complex life?

carbohydrates, fats, proteins, and nucleic acids

bones, muscle, skin, and blood

water, carbon dioxide, ammonia, and methane

glucose, phospholipid, hemoglobin, and thymine

1 point

Which bond is created by one atom giving up one electron from its outer shell to another atom needing an electron in its outer shell so that both atoms become charged, and attracted to each other?

Covalent

Metallic

Ionic

Hydrogen

1 point

When the outer electron shell of oxygen is filled by sharing an electron from each of two hydrogen atoms, which bonding type is used?

Ionic

Hydroge

Covalent

Metallic

1 point

The elements in the periods, or rows, of the periodic table share which characteristic?

atomic number (how many protons are in the nucleus)

atomic number (how many protons are in the nucleus) melting point valence (number of electrons needed to fill outer shell)

melting point

number of electron shells

1 point

The elements in the groups, or columns, of the periodic table share which feature below?

number of electron shells

valence (number of electrons needed to fill outer shell)

atomic number (how many protons are in the nucleus)

melting point

1 point

What causes tides on earth?

Water Cycle

Plate Tectonics

The Moon's Gravity

Magnetic Shield

1 point

Which is easily created and destroyed, giving special form and shape to molecules?

Ionic

Metallic

Hydrogen

Covalent

1 point

What makes Earth a good planet for life?

Right Temperature for Liquid Water

Constant Upwelling of new Rock and Nutrients of Plate Tectonics

Magnetic Shield

Enough Gravity to Hold an Atmosphere

All of the Above

10.

1 point

What causes the seasons on Earth?

Tides

Jupiter

Gravity

Earth's Axis

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