Science

The health of a water system is determined by the balance between what variables (choose all that apply)?

• physical

• physiological

• biological

• chemical

Water can bounce on water because of surface tension.

• True

• False

Where is the trough?

• Top of line

• Bottom of line

• Beginning

• End

Capillary Action is key for

• Water moving from roots to leaves in plants

• Air moving from mouth to lungs

• Ice floating on water

• Water moving to lower areas

What is this science tool?

• beaker
• microscope
• hand lenses
• thermometer

Which item on this element square is the chemical symbol?

• Copper
• 29
• Cu
• 63.546

Water droplets take a spherical shape (as pictured) because of ____________

• adhesion
• cohesion
• capillary action
• solubility

Where is the rest position

• Top of Line

• Bottom of line

• Middle

• End

What does this tool measure?

• mass

• weight

• gravity

Which item on this element square represents the atomic number?

• 13
• Al
• Aluminum
• 26.981538