Test 1 Flashcards
Help me to learn about various topics I will see on my test
Name the two particles inside of the nucleus and their charge.
a) Protons; Positive charge
b) Neutrons; No charge/neutral
Name the particle that is outside of the nucleus and its charge.
The electron
Which of these two vocabulary words are an uneven mixture?
a) Homogeneous mixture
b) Heterogeneous mixture
b) Heterogeneous mixture
What is the first step of the scientific method?
Identify a question
Which of the two vocabulary words are the fifth step of the scientific method?
a) Communicate results
b) Analyze data
c) Draw conclusions
c) Draw conclusions
What is the second step of the scientific method?
Hypothesis
What type of mixture is evenly mixed?
Homogeneous mixture
What is the third step of the scientific method?
Conduct experiment or lab
What is the fourth step of the scientific method?
Analyze data
What is the sixth and final step of the scientific method?
Communicate results
What kind of data does this description represent?
“The grape is round and purple. It tastes sweeter than the other grapes tested. There also seems to be more purple grapes than green grapes.”
Qualitative data
What kind of data does this description represent?
“The pencil is 5 3/4 inches long.”
Quantitative data
Teachers wanted to test which flavor of milk was liked more by students. They set out the same amount of a different flavor every day for three days. At the end of each day, they counted the remaining milk cartons leftover.
What is the independent variable?
Which flavor of milk they set out each day
Teachers wanted to test which flavor of milk was liked more by students. They set out the same amount of a different flavor every day for three days. At the end of each day, they counted the remaining milk cartons leftover.
What is the dependent variable?
Amount of much milk leftover
Teachers wanted to test which flavor of milk was liked more by students. They set out the same amount of a different flavor every day for three days. At the end of each day, they counted the remaining milk cartons leftover.
Name three constants
How much milk they set out Same price Same time of day How long they leave the milk out for students Same carton/packaging Same size of cartons
