The amount of a substance.
a) mass
b) density
c) volume
C-Volume
The ability for one substance to float in another.
a) volume
b) balance
c) buoyancy
c- buoyancy
Explain how the water you drink today could be the same water a dinosaur drank thousands of years ago.
Water is recycled. After a dinosaur drank water it exhaled some water into the atmosphere. The water has been recycled within the atmosphere for thousands of years.
What are two units for measuring mass? (todays units, and old English)
grams, slugs, liters, meters, kilo, deci, centi
How strongly something is pulled on by gravity.
a)Buoyancy
b) spring scale
c) weight
C- weight
Used to measure mass.
a) balance
b) weight
c) spring scale
a) balance
Explain what happens to nitrogen in the soil and in plants that demonstrates conservation of mass
Nitrogen is absorbed by plants, eaten by animals, then returned to the soil when the plant or animal dies. It does not get used up.
What are two units for measuring weight? (todays units, and old English)
Newtons, pounds,
Matter cannot be created or destroyed.
a) conservation of mass
b)mass
c) density
a- conservation of mass
Used to measure weight.
a) balance
b) weight
c) spring scale
c) spring scale
If an object floats in one liquid but sinks in another, what does that tell you about the densities of the two liquids?
The first liquid is denser than the other.
If you perform an experiment, and the mass of the resulting substance is less than the mass of what you started with, what is one likely explanation?
it is likely that a gas was produced and escaped from the experiment.
How much space matter occupies.
A)Density
b) volume
c) balance
b) volume
A material that is denser than lead.
a) feathers
b) gold
c) water
b) gold
How would you determine the volume of a toy car?
Use the displacement method
Which is likely to be more dense, a one inch cube of steel or a one inch cube of wood?
Steel is denser than wood
How much mass is in a particular volume.
a) density
b) weight
c) mass
a) density
Only material to become less dense when frozen.
a) gold
b) lead
c) water
c) water
How are buoyancy and density related?
One substance is buoyant if it is less dense than the substance it is in
If you are traveling in a car with a helium balloon and the driver suddenly puts on the brakes, what will happen to your body, and what will happen to the balloon?
Your momentum will carry your body forward as the car suddenly slows down. It will also carry air molecules forward. Helium is lighter than air so the balloon will move backward.