# Why do Basketballs float in water?

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Whether or not an object has buoyancy depends mostly on two factors: the amount of water an object displaces and the density of an object. A pebble is dense and displaces very little water, therefore, it sinks. However, a basketball is not very dense and displaces more water; therefore, it floats.

## Will a basketball float or sink in water?

When a basketball is placed on top of any body of water, it will float, not sink. This is due to the level of buoyancy a basketball has, and its lack of density. A basketball is not super dense and displaces more water, which is why it floats!

## Why does the golf ball sink in water while the beach ball floats?

When objects are placed in water, some will sink to the bottom and some will float or be suspended in water. Generally, heavier objects, such as rocks and golf balls, will sink to the bottom because they are heavier than the water that is trying to hold them up.

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## Will a tennis ball sink or float?

Tennis balls are hollow and filled with air. The air inside the tennis ball weighs less than the inside of a rock or marble, so the tennis ball floats.

## Does pencil float or sink?

What do the pencil and Popsicle stick have in common? They are both made out of wood. A characteristic property of wood is that it floats.

## Would a golf ball float in water?

How about in salt water, will a golf ball sink or float? All golf balls are not as dense compared to saltwater. Therefore, both floaters and regular ones will float on top.

## How much salt does it take to make a golf ball float?

to make a golf ball float in 100 mL water. Add 5 g additions of salt to the water, dissolve, check to see if ball floats. Continue with this method of successive additions until ball floats.

## Will a chess piece sink or float?

Density Gizmo

Object Prediction (sink or float?) Mass
Apple F 33.0 g
Chess piece S 40.0 g
Penny S 3.0 g
Rock S 200.0 g

## What balls will sink?

Any bowling ball that weighs more than 12 pounds will sink in water, and any bowling ball that weighs less than 12 pounds will float.

## Why is it so easy to float in the Dead Sea?

Density. The Dead Sea’s salt concentration is 34%. This high concentration of salt makes the water very dense. … Therefore, humans float in the Dead Sea!

## How do you explain sink and float to kindergarteners?

Before explaining why items sink or float, ask your children why they think an object sinks or floats. They may guess it’s because of size or weight or construction. Then, explain that items sink or float based on their density. Density is determined by how close or far apart molecules are within an item.

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## Does a eraser float in water?

Rubber is denser than water hence making the eraser sink.

## Is crayon sink or float?

They are both made out of wax, but the candle floats and the crayon sinks. A characteristic property of wax is that it floats in water.