In this activity students will determine whether various objects sink or float in water. Whether an object sinks or float in a liquid depends mainly on two factors: density and buoyancy.

BBC: Digger and the Gang - Float and Sink ... Explorit: Float, Sink or Swim? ... Float and Sink

Why boats float and elephants sink (buoyancy) ... How does a boat or ship carrying hundreds of pounds worth of stuff float while that same stuff would sink to the bottom of the ocean if dumped overboard?

Some objects, when placed in water, float, while others sink, and still others neither float nor sink. This is a function of buoyancy. We call objects that float, positively buoyant.

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Objectives: TLW predict whether each item will float or sink. TLW be aware that some items sink and some items float. TLW identify items that sink and those that float when placed in water.

A Lesson Plans Page lesson plan, lesson idea, thematic unit, or activity in Science and called Science Center - Will it Sink or Float?. ... "Ship Shape" Science Center; Will it float or sink?

Because the ball is heavier than the balloon, it has to push more water out of the way before it can float. It is not just how heavy something is that makes it float or sink.

3. To determine why objects will float or sink in relation to density. 4. To predict the density of unknown solutions. 5. To introduce Archimedes' Principle.

Childrens science project - What items do you think will sink and what items do you think will float? Keep a notebook on this project ... Float or Sink Experiment