Log in
Sign up for FREE
arrow_back
Library
Physical/Chemical Changes
By Jesse De Los Santos
star
star
star
star
star
Share
share
Last updated about 1 month ago
18 questions
Add this activity
zoom_in
zoom_in
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
1
1
1
Question 1
1.
An ice cube melts, then evaporates.
C
P
Question 2
2.
Hydrogen and oxygen gas combine to form water.
C
P
Question 3
3.
A beaker of salt water is boiled until only the salt is left behind.
C
P
Question 4
4.
A piece of paper is torn into several smaller pieces.
C
P
Question 5
5.
Gasoline combusts in the engine of a car, releasing carbon dioxide and water vapor.
C
P
Question 6
6.
An egg is boiled until it becomes solid.
C
P
Question 7
7.
A scoop of sugar is placed in a blender and ground into a fine powder.
C
P
Question 8
8.
Wood scraps are placed into a chipper, which turns them into sawdust.
C
P
Question 9
9.
A mixture of red and blue marbles is separated and sorted.
C
P
Question 10
10.
A plant performs photosynthesis.
C
P
Question 11
11.
Baking soda is heated, causing it to decompose into calcium and carbon dioxide.
C
P
Question 12
12.
Milk is left sitting out too long, and it sours.
C
P
Question 13
13.
A stainless steel pan is heated on the stove.
C
P
Question 14
14.
A pellet of sodium metal is cut into two pieces with a knife.
C
P
Question 15
15.
A pellet of sodium metal is placed into water, causing an explosion.
C
P
Question 16
16.
Sulfuric acid is poured onto a piece of limestone rock, causing bubbling and fizzing.
C
P
Question 17
17.
A helium balloon is popped.
C
P
Question 18
18.
Electricity is conducted through a long copper wire.
C
P
