A solid is a definite shape with a definite volume, and tightly packed particles.
100
The smallest element that still has properties of the element.
ATOMS
100
What is a physical change?
A change that does not result in a substance.
100
How can you find the volume of a irregular solid?
Use water displacement
200
Forms that matter can be in such as solid, liquid and gas.
STATE OF MATTER
200
What is a liquid?
A liquid has loosely packed particles with no definite shape and has a definite volume.
200
What are atoms of one type?
ELEMENT
200
What is an example of a physical change?
Freezing, melting, boiling, condensing, evaporating, ripping, dissolving, or changing color.
200
Explain how to find the volume of irregular solids.
You put the irregular solid in a cylinder with water, and record volume then you subtract the original amount of water and you have the volume.
300
Amount of matter packed inside a given amount of space.
DENSITY
300
What happens when heat escapes from gas?
It turns into a liquid.
300
TRUE OR FALSE
You can see atoms through a microscope.
FALSE!!!!!
300
What is a chemical change?
A change that results in one or more new substances with different properties.
300
How do you find the volume of a regular solid?
lwh
400
Two or more different materials placed together, but each material keeps its own properties.
MIXTURE
400
Bob has a bowling ball with a volume of 214 cubic cm and a mass of 856 grams, what is the density?
4 grams or 4g/cm3
400
How many elements occur naturally on the periodic table?
98 ELEMENTS!!!!!!!!!
400
TRUE OR FALSE.
A chemical change is changed permanently.
TRUE!!!!!
400
What is the volume of a cube with a height of 2 a length of 20 and a width of 6?
240 cm3
500
A mixture in which substances are spread out evenly throughout and will not settle.
SOLUTION
500
What is a gas?
A gas has no definite shape or volume, moves quickly, spreads freely.
500
TRUE or FALSE
Everything in the universe that is matter is made of one or combinations of elements.
TRUE!!!!!!!
500
What is a sign of chemical change?
Smell, absorbed heat, gas forms, changes color, or burning.
500
Kaitlyn outs a sea shell in a cylinder to find the volume. Without the sea shell the cylinder has 25 ml of water, but with the sea shell it has 35 ml. What is the mass off the seashell?