A
When you use all your senses to gather information in science.
Experiment or make observations
Making observations
Something in an experiment that can be changed such as the amount of sunlight a plant gets.
variable or control
Variable
A way for scientists to gather information
experimenting or recording
Experimenting
The first step that a scientist makes to gather information
Ask a question or draw a conclusion
asking a question
Why do scientists communicate and publish their work?
To keep it a secret or to learn from each other
To learn from each other
What tool would you use if you were going to study life in the stream near your house?
A scale or a collecting net
A collecting net
Which would you use to measure volume?
Spring scale or measuring cup
Measuring cup
What is an important part of an experiment?
Making a model or identifying and controlling variables
Identifying and controlling variables
Which tool would you use to measure the mass of your book?
scale or microscope
Scale
The setup that you compare all the others in an experiment.
Control or variable
Control
Objects that are too small to be seen with your eyes are called
opinions or microscopic
Microscopic
Which unit would you use to measure mass?
kilogram, liter, pound, milliliter
kilogram
Which is not a scientific investigation?
performing an experiment
making a model
writing a letter about why it's important to save water
Writing the letter about saving water
Which is an example of repeated observation?
Watching how many times a week hummingbirds visit the feeders
Determine which flower has the strongest sent
Watching how many times a week hummingbirds visit the feeders
Which tool should you use to measure force?
hand lens
spring scale
spring scale
A belief or judgement that is not supported by investigation
evidence or opinion
opinion
Why do scientists write reports about their investigations?
To communicate their work to other scientists
to ask questions
to classify results
To communicate their work to other scientists
Why do scientists repeat their experiments?
To throw out old information
To get data they like better
To make sure their information they collect is reliable
To make sure their information is reliable
A metric unit of time
pounds
seconds
ounces
seconds
A metric unit to measure temperature
Degrees Celsius
A unit to measure force
Newton
A unit to measure volume
Liter
The amount of space a solid, liquid, or gas takes up
Volume
Tool used to measure force
spring scale
A measurement that is close to true size
accurate