investigation: evaporation we are going to plan an investigation to test different circumstances to...

Investigation: Investigation: EvaporationEvaporation

•We are going to plan an investigation to test different circumstances to aid evaporation

PlanningPlanning•Good planning is essential•We must plan our investigation•We need to know what information we want to find out and collect•We must decide what will we observe or measure•We need to list the equipment (apparatus) we will use•Are there any dangers involved?

What is our key What is our key question?question?

How can we make water evaporate faster?

How can we How can we conduct our conduct our

investigation?investigation?•Put water in different places around the classroom e.g. window, cupboard, radiator…

InvestigationInvestigation•Make sure it’s a fair test•Gather information and measurements accurately•Repeat our observations and measurements to make sure it’s correct•Record our results with care

How can we How can we make this a fair make this a fair

test?test?•Measure the water

•Take accurate measurements at the same time

What do we What do we need?need?

•Measuring jug x3

•100ml water x3

What stays the What stays the same? same?

•Amount of water

•Measuring jugs

What do we What do we have to have to change? change?

(variables)(variables)•Location of the measuring jugs

Today's taskToday's task

1. Plan your investigation on your worksheet

2. Make your prediction – Which location do you think will speed up evaporation?