VOCABULARY
what is a tool to measure mass
what is pan balance
What is observation?
when you use your senses to notice detail
why do scientist use models?
to help understand things that are too big or small to observe
what is a tool that magnifies object that are too tiny to see with your eye?
what is microscope
what is data
pieces of scientific information
tool you use to measure volume of liquid
graduated cylinder
wht happens when you investigate?
you create a planned way of finding answers to a question
if I add more soap to a container I will get more____
bubbles
what is the best tool to measure time
a stopwatch
what is data table
a chart for recording numbers
what is a hypothesis?
a statement that could answer your question
what is a variable
the factor that is changed in an experiment
when do bubbles form?
when we mix/shake soap and water
scientist use ______ to measure temperature
what is bar graph
what happens when you infer
you infer when you make a conclusion after observing
what is an experiment
a test done to gather evidence
I use two different balls to represent the moon and the sun what are these balls called?
models
difference between microscope and telescope
answers will vary
what is evidece
facts that show if a hypothesis is correct
a tool used to pick up little objects
forcepts
what happens when you predict
you make a guess based on what you know or think
should you measure your object again if you get it differently from someone else that used the same unit?
yes
how much space something takes up
volume
what is the difference between a chart and data table?
a data table is used to record numbers