The basic International System Unit of measurement for length is _________________.
meter
100
What is the name of the variable called that is the only one that you change on purpose in an experiment?
independent variable
100
Completing an activity that includes carefully observing something so that you can answer questions is called ______________.
an experiment
100
A hip replacement is an example of what type of biotechnology?
adaptive
100
True or false: the first step of a scientific investigation is to make a prediction.
False, the first step of a scientific investigation is to ask a question.
200
The amount of ____________ that makes up an object is called mass.
matter
200
Which variables must stay the same throughout each experiment (so that you are sure what caused the results of your experiment)?
control/constant variables
200
Is an intended benefit positive or negative? How can you remember (what is the memory trick)?
positive, the "t" in positive matches up with the "t" in benefit to help you remember that benefits are positive
200
Glasses are an example of which type of bioengineering?
assistive
200
Engineers use scientific knowledge to develop new __________________ by using the engineering design process.
technologies
300
Which tool would you use to measure mass?
triple beam balance
300
The test of only one factor at a time is called:
A controlled experiment
300
When something negative occurs with an invention that an inventor didn't plan to happen, that is called a(n) ________________________.
unintended consequence
300
This type of biotechnology helps an organism live without making a permanent change to the organism:
assistive bioengineering
300
The main reason scientists use the scientific methods is to _________________.
answer questions
400
Tools are used to help people complete ____________.
tasks
400
Hypothesis: Soccer players that practice more hours score more goals in games
Name the dependent variable for the above hypothesis:
Number of goals scored in games
400
When you select a small group of people to answer a question in class by drawing their chair numbers (chair numbers written on clothespins), that is called a __________________.
random sample
400
Name the type of biotechnology that changes an organism permanently:
adaptive biotechnology
400
Before you gather data to test your hypothesis, you must:
form a hypothesis
500
Name the world-wide standard system of measurement:
The International System of Units
500
Hypothesis: Plants grow bigger if given more water
What is the independent variable in the experiment you would conduct?
Amount of water
500
When members of a sample group do not have the same likelihood of being selected, that is called a ________________.
biased sample
500
Dairy cows have been changed genetically to produce more milk per cow. This is an example of ______________ biotechnology.
adaptive
500
In the first step of the _______________________ you identify a problem and/or research a need.