RCPS Science SOL 6.6 Water

What percent of Earth is covered by water and ice?

• 85%

• 90%

• 71%

• 97%

Tags

NGSS.MS-ESS2-4

What percent of Earth's water is the oceans?

• 70%
• 85%
• 90%
• 97%

Tags

NGSS.MS-ESS2-4

How many hydrogen atoms are in one molecule of water?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

Which letter represents hydrogen?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

Which letter represents oxygen?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

Which letter represents the positive end?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-3

Because water has a positive and a negative end, and is attracted to other molecules it is called a ______ molecule.

• magnetic

• polar

• universal

• hydrogen

The property where water molecules are attracted to other water molecules.

• adhesion
• capillary action
• cohesion
• universal solvent

The property where water can pull itself up tubes or through spaces in paper or fabrics.

• adhesion
• capillary action
• cohesion
• universal solvent

Why can some insects walk on water?

• The water sticks to the insect.
• The insect is too light to break the surface tension.
• The insect has hydrophobic oils on its legs.
• Insects can't walk on water.