Common Elements
Physical or Chemical Change?
Metals, Metalloids,
Nonmetals
Elements and Compounds
Space
100

What is the most common element found throughout Earth?



Oxygen

100

Mowing the lawn


Physical Change

100

These elements are located along the stair step of the periodic table.


Metalloids

100

What element is located in group 2, period 4?


Calcium (Ca)

100

How did the space shuttle differ from other previous spacecrafts?

F. The space shuttle was the first reusable spacecraft.

G. The space shuttle was the first spacecraft to land on the Moon.

H. The space shuttle was the first spacecraft to offer space tourism.

J. The space shuttle was the first spacecraft that could not orbit Earth.

F. The space shuttle was the first reusable spacecraft.

200

According to the graph, which two elements are most common in the Earth's crust?


Silicon and oxygen

200

Burning paper


Chemical Change

200

Elements that are normally in a gas form, that are dull, brittle, and poor conductors


Nonmetal

200

According to the periodic table, which of the following is the best example of an element? 

A.) Ne4

B.) CO

C.) H2O

D.) ClNa

A.) Ne4

200

The amount an object weighs depends on the presence of —

gravity

300

Which element comprises the greatest amount of the earth’s crust?




oxygen

300

Shaking a soda and allowing it to fizz


Physical Change

300

Classify the following.


Metal

300

How many elements are in the chemical formula? 

Na3HO5

3

300

True or False. The length of year on Jupiter is longer than Mars length of year. 


True
400

What are the 2 most abundant elements found in the human body? 


Oxygen and carbon

400

Your body digesting food


Chemical Change

400

Silicon (Si) is a ___________ .

metalloid

400

Two or more elements chemically combine to form a _____________ .

compound

400

The two missing inner planets are


Venus and Earth

500

Which element comprises about 5% of Earth's crust? Provide the element name.


Iron

500

Two solutions, A and B, are at room temperature. They are mixed to produce solution C. The temperature of solution C is significantly higher than room temperature. Which of the following likely occurred?

F. A new substance was formed.

G. The color of the solution changed.

H. A gas was produced.

J. The solutions went through a physical change.

F. A new substance was formed.

500

Metal is a property used in pots and pans. Why is metal a good choice?


Metals are conductors and allow heat to flow through. 

500

How many atoms are in the chemical formula? 

Na3HO5

9 atoms

500

In July 1994 the comet Shoemaker - Levy 9 collided with the planet Jupiter, as scientists had predicted. To be able to accurately predict when a comet will collide with a planet, it is essential to understand --

A. the composition of a planet's atmosphere

B. the gravitational attraction that exists between all bodies

C. the attraction of opposite poles of a magnet to each other

D. the formation of comets


B. the gravitational attraction that exists between all bodies

M
e
n
u