Formation of a New Substance
I mixed two clear liquids and they started to bubble and fizz.
What is Production of a gas means a chemical change.
Sand and water is considered a....
heterogeneous mixture.
The most dense substance will go where in a density tower?
What is the bottom.
I am malleable and ductile.
What is a metal.
To change states of matter, what do you need to add to a substance?
What is energy.
I mixed a white powder with a green liquid. The temperature immediately decreased.
What is temperature change means a chemical change.
Sugar water is a....
Homogeneous mixture
The least dense substance will go where in a density tower?
What is the top.
I am brittle and an insulator.
What is a nonmetal.
When a substance heats up, they have more __________energy.
What is kinetic.
In every chemical change, what is formed?
What is a new substance.
The physical combination of two or more substances.
What is a mixture.
A marble with a density of 1.5 g/mL will sink in which substance?
a. water 1 g/ml
b. oil .8 g/ml
c. syrup 2 g/ml
What is a. and b.
I am a good conductor of heat and electricity.
What is a metal.
When the particles in a substance have more kinetic energy, they do what?
what is speed up.
Salt dissolves in water.
What is a physical change. No new substance created.
A homogeneous mixture is also known as a....
What is solution.
How tightly packed the particles are in a substance is called....
What is density.
I am a semiconductor and I break easily.
What is a metalloid.
I am solid, I reflect light, but I'm not a very good conductor. What am I?
What is a metalloid.
Firewords explode in the sky.
What is production of light and heat means a chemical change.
Heterogeneous mixtures can be __________separated. Homogeneous mixtures are more difficult to _____________.
What is easily separated.
What is separate.
How would these stack up bottom to top?
a. syrup 3 g/ml
b. alcohol .7 g/ml
c. Water 1 g/ml
What is syrup, water, and alcohol.
I am yellow, an insulator, and brittle.
What is sulfur, a nonmetal.
In a density tower, I know the layer at the bottom is the ___________dense.
What is most.