3.1- 7th grade

1.

1 point

________ is anything that has mass and takes up space.

2.

1 point

Light and heat do not take up space, and they have no _______.

3.

1 point

Emotions, thoughts, and ideas are not _______ either.

4.

1 point

_________, who lived from about 460 B.C. to 371 B.C., was a greek philosopher who though the universe was made of empty space and tiny bits of stuff.

5.

1 point

The term _____ comes from a Greek word that means "cannot be divided."

6.

1 point

Today an _______ is defined as a small particle that makes up most types of matter.

7.

1 point

_______________, a French chemist who lived about 2,000 years after Democritus, also was curios about matter-- especially when it changed form.

8.

1 point

From Lavoisier's work came the law of conservation of matter, which states matter is not created or ___________.

9.

1 point

__________ thought he could design an atomic model that explained the results of those experiments.

10.

1 point

Dalton's model were supported by data, the model became known as the ____ Theory of Matter.

11.

1 point

____________ knew that like charges repel each other and opposite charges attract each other.

12.

1 point

These invisible, negatively charged particles are called ________.

13.

1 point

In _______, Thomson received the Nobel Prize in physics for his work on the discovery of the electron.

14.

1 point

Matter that has an equal amount of positive and negative charge is said to be __________--- it has no net charge.

15.

1 point

Thomson's model , can be compared to _________ chips spread throughout a ball of cookie dough.

16.

1 point

In their experiment, they _________ an extremely thin piece of gold foil with alpha particles.

17.

1 point

Rutherford called the positively charged, central part of the atom the ___________.

18.

1 point

He named the positively charged particles in the nucleus _______.