Sulphur
Azufre
DiĆ³xido de carbono
Carbon Dioxide
Is this a physical or chemical change?
We burn a small piece of torn-up paper
Chemical change
Which currency do we use in the United States?
a. AED
d. pesos
c. yen
d. dollars
d. dollars
H2O
compound
To burn
Arder
Llama
Flame
Is this a physical or chemical change?
Digestion of Food
Chemical change
What is the most spoken language in the United States after English ?
Spanish
O2
simple substance
To shock
Chocar
Subir, Elevarse
To rise
Is this a physical or chemical change?
We cook an egg for three minutes
Chemical change
What sport do the New York Yankees play?
a. basketball
b. baseball
c. football
b. baseball
Chlorine
element
Bubble
Buruja
Estallar
to explode
Is this a physical or chemical change?
Ice melting
physical change
How many stars are on the American flag?
a. 48
b. 49
c. 50
d. 54
c. 50
carbon dioxide
compound
Current
Corriente
Golpear
To hit
Is this a physical or chemical change?
Cutting a copper wire
physical change
Which ocean is on the East coast of the United States?
a. Pacific ocean
b. Atlantic ocean
c. Artctic ocean
b. Atlantic
1. This gas becomes cloudy quickly from a dissolution of calcium hydroxide
2. This gas intensifies the flame of something that is burning
3. When this gas makes contact with the oxygen in the air, it explodes and forms water
A.Oxygen
B. Hydrogen
C. Carbon
1. C
2. A
3. B