# What is the slowest rotating planet?

Venus

## Is a copper penny magnetic?

If you have a strong enough magnetic field all matter is magnetic. But copper is so weakly magnetic that we can't observe it without very, very large magnetic fields. So the short answer is "No, copper isn't magnetic." This can quickly be tested by trying to pick up a penny with a magnet.

## Which is heavier coin or wood?

The block of wood was heavy, but it was also big. The coin was light, but small. Whether something will float or not depends on how big it is as well as how much it weighs. How heavy an object is for its size is called its density.

## Why put a coin in the sink?

Very often your luggage comes equipped with clothing clips inside. You can use these clips to keep your toothbrush elevated and away from potential germs. ... If you find yourself with clothes to be washed, put a plastic bag over the sink's drain and weigh it down with coins to make sure the sink basin fills up enough.

## Why does a tomato sink?

Tomatoes are one type of vegetable that is more dense than water, so they sink instead of float. As you go deeper into a container of water, the pressure increases, because the water at the top pushes down on the water below. ... The magnitude of this force is equal to the weight of water displaced by the vegetable.

## Why do heavy things float?

Objects with tightly packed molecules are more dense than those where the molecules are spread out. ... Objects that are more dense than water sink and those less dense float. Hollow things often float too as air is less dense than water. This is partly why huge heavy ships float.

## What causes something to sink?

The density of an object determines whether it will float or sink in another substance. An object will float if it is less dense than the liquid it is placed in. An object will sink if it is more dense than the liquid it is placed in.

## How do you make a sinking object float?

We can make a sinking object (or system containing more than one object or material) float by changing its shape to increase its volume (for example, by makng a shape that traps air and so lessens the overall density of the system). Usually, an object with air trapped inside it will float.

## Does size affect floating and sinking?

Students will observe that as long as the shape and material are the same, size does not affect whether an object will sink or float.

## What is less dense water?

Ice is less dense than water This is due to ice's density being less than liquid water's density. Upon freezing, the density of ice decreases by about 9 percent. Most of an iceberg exists below the water surface.

Mercury

## Is vinegar less dense than water?

Oils are the least dense of the three you mention. Most oils have a density around 90% that of water. ... Household vinegar consists almost entirely of water, but with some acetic acid molecules dissolved in it. In general, dissolving stuff in water makes it more dense, making vinegar the densest of the three.