holds test tubes test tube holder if they are full or empty and beaker measures liquids helps you tell compass which direction you are moving how fast wind vane the wind is moving shows wind anemometer speed and wind direction use when funnel pouring liquids measures rain gauge amount of rain that has fallen
test tube holder holds test tubes if they are full or empty beaker and measures liquids compass helps you tell which direction you are moving wind vane how fast the wind is moving anemometer shows wind speed and wind direction funnel use when pouring liquids rain gauge measures amount of rain that has fallen