Sink or Float
If an object is heavier than water for its size, it will usually do this.
What is sink?
Density means how much _ _ _ _ is packed into a certain amount of space.
What is mass?
An object has a mass of 10 grams and a volume of
5 mL. What is its density?
What is 2g/mL?
Does water push up on objects? (Yes or No)
Yes
Which floats beter: a flat coin or a crumpled coin?
Flat coin
A wooden block is placed in water. Wood usually does what?
What is float?
Density is found using this formula: mass +
_ _ _ _ _ _?
What is volume?
Mass = 12g, Volume = 4 mL. Density = ?
What is 3 g/mL?
The push-up force from water is called....
What is Buoyancy?
If two objects have the same mass but different sizes, which is denser?
The smaller one
True or False: All heavy objects sink in water?
What is false?
Two cubes are the same size, but one is heavier. Which one has higher density?
What is the heavier cube?
Mass = 6 g, Volume = 6 mL. Will it sink or float in water?
What is float? (density = 1 g/mL)
If you flatten clay into a boat shape, it will more likely....
Float
What matters more for floating: weight or density?
Density
A rock sinks, but a large ship floats. Why?
What is because the ship is less dense overall?
Water has a density of about 1 g/mL. An object with density 0.8 g/mL will do what?
What is float?
Which will float in water?
A) Density 0.5 g/mL
B) Density 1.5 g/mL
What is A?
What happens to water level when you drop a rock in?
It rises
A big log and a small pebble are dropped in water. Which one sinks, and why?
The pebble sinks becasue it is more dense, even though it is smaller.
If an object floats, its density is _ _ _ _than water?
What is less?
An object sinks if its density is ______ than water?
What is greater?
Atoy boat has a mass of 20 g and volume of 40 mL. What happens in water?
What is floats?
Why does ice float in water?
Ice is less dense than liqued water
If you cut a floating piece of wood in half, will both pieces float or sink?
Both piece will still float because the density stays the same.