1. Form a hypothesis: Look at the first three rows of the periodic table below.

Ne

ge

Na Mg

B

Al

C N

Si P

O

S

F

a

Why do you think the elements are arranged the way that they are?

A professional athlete who takes dance or gymnastics to improve their skills in their professional sport.

What term describes the moon's path around earth

Which of the following make up the three regions of the brain? A. anteriorbrain, midbrain, and innerbrain B. forebrain, midbrain, and hindbrain C. forebrain, middlebrain, and innerbrain D. anteriorbrain, betweenbrain, and posteriorbrain

Infrared radiations are produced when a changing electric field creates a longitudinal wave parallel to it longitudinal wave perpendicular to it changing magnetic field parallel to it changing magnetic field perpendicular to it

If three of the balls are pulled back on a Newton's cradle and then let go, what will happen next?

A dc generator is the same as a (n) a. electric motor. b. ac generator. c. armature. d. electric current.

Which of the following best describes scientific knowledge A.) Durable B.) Absolute and never changing C.) Frequently varies

Beth made the chart shown. A 2-column table with 1 row. The first column labeled X has entries Wall clock, T V remote control, Portable music player. The second column labeled Y has entries Refrigerator, Table lamp, Hair dryer.

Which sentence states Newton's third law? If two objects collide, each object exerts a force in the same direction as the other. If two objects collide, each object exerts a force equal to and in the opposite direction of the other.

Why did the chicken cross the road.