Water Stuff 🌊

Question 1

what is buoyancy?

Answer 1

the upward supportive force on an object in a fluid. the buoyant force equals the weight of water being displaced by the object

Question 2

why is liquid water more dense than ice?

Answer 2

liquid water is more dense than ice because it’s particles are more closely packed

Question 3

why does oil float on top of water? how do you clean it up?

Answer 3

oil is less dense than water, so it floats on top of the surface. you clean it up with floating booms which encircle the oil and scoop/ suck it up

Question 4

explain the density of water

Answer 4

fluids become more dense as they cool because the particles move slower and are closer together. when it gets to 0• they move further apart, and the volume increases so it turns into ice

Question 5

how do you find volume by displacement?

Answer 5

place object you want the volume of in a measuring cup full of water, take note of the water level before and after its in. the volume is the amount the after went up by

Question 6

what is a hydrometer?

Answer 6

tests the density of various liquids