science 11/14/11

Title:Physics - Gravity

Hypothesis 1-I think that when Mr. Randy drops both rocks: the small one will fall first.


When Mr. Randy dropped both rocks what really happened was: they both fell at the same speed

Hypothesis 2-I think that when Mr. Randy drops both pieces of paper, the paper will: both hit the ground at the same time.


When Mr. Randy dropped both pieces of paper what really happened was: one was more aerodynamic so it floated around and the crumbled up paper hit the ground without floating.

Vocabulary Words:
Law of Gravity: all objects have gravity.

mass: the amount of matter in a object.

acceleration: when you get faster and faster.

inertia: amount of force an object has.

11/7/11

Title:Physical/Chemical Change

Hypothesis 1-I think that when Mr. Randy puts a flame on a balloon filled with air the balloon will: I think it will expand and pop.


When Mr. Randy put a flame on a balloon filled with air what really happened was: it expanded and pop.

Hypothesis 2-I think that when Mr. Randy puts a flame on a balloon filled with some water the balloon will: expand and pop.


When Mr. Randy put a flame on a balloon filled with some water what really happened was: it did not pop but was burned.

Vocabulary Words:
heat: when atoms move very fast.

atom: everything is made of these extreamly small atoms.

absorb: when something is sucked into something.

pressure: when atoms push out against something.