

Understanding Elements and Their Importance
Interactive Video
•
Chemistry, Science
•
5th - 8th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are elements described as in the video?
The most complex substances known
The smallest particles in the universe
The rarest materials on Earth
The basic building blocks of everything
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is gold often found in its pure form in nature?
Because it is highly reactive
Because it is lighter than other metals
Because it is very unreactive
Because it is abundant in the Earth's crust
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called that extracts copper from malachite?
Distillation
Smelting
Refining
Fermentation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of charcoal in the smelting process?
To make the metal more malleable
To add color to the metal
To react with other elements and leave copper behind
To cool down the furnace
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between copper and tin atoms?
Copper atoms are more reactive than tin atoms
Copper atoms are larger than tin atoms
Tin atoms are more reactive than copper atoms
Tin atoms are larger than copper atoms
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Greek origin of the word 'atom'?
Incomparable
Indivisible
Infinite
Invisible
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a diamond is heated and then dropped into liquid oxygen?
It reacts vigorously and burns away
It remains unchanged
It melts into a liquid
It becomes a gas
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