31-40

Question 1

Energy is ______________ as it travels up an energy pyramid.

Answer 1

lost

Question 2

Your skin is part of your _______________________ body system.

Answer 2

integumentary

Question 3

Hormones are chemical signals released by your _______________ body system.

Answer 3

endocrine

Question 4

Oxygen is carried by your red blood cells in your ________________ body system.

Answer 4

circulatory

Question 5

Oxygen is brought into your body by your lungs through the ___________________ body system.

Answer 5

respiratory

Question 6

__________________ is the speed of something in a specific _________________.

Answer 6

velocity, direction

Question 7

___________________ is the process in which rocks are broken down into smaller pieces over time.

Answer 7

weathering

Question 8

___________ on earth are caused by the moon’s gravitational pull .

Answer 8

tides

Question 9

____________________ form over warm ocean waters.

Answer 9

hurricanes

Question 10

_____________ _____________ are man-made underwater features used to prevent erosion and provide habitat for organisms.

Answer 10

artificial reefs