Science Flashcards
How many different atoms are there in a compound?
Two or more
If I release 10 spiders into a room and measure how long it takes people to get out of the room, what is the independent variable?
Independent Variable: The one being changed, Room.
A researcher wants to figure out if uncomfortable seats in a classroom will increase the research participant’s attention to the lesson and decrease their fidgeting. Why are attention level and fidgeting the dependent variable?
Because it is the variable that the researcher changes to see how the other variables will respond.
Which of the following best describes control variables?
They are kept the same over multiple trials.
hi
Water
Which of the following is the two types of pure substances?
Elements and Compounds.
Which of the following classified as element and compounds?
Pure substances
Which of the following is BEST example of mixture?
Alloy
When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?
Independent Variable.
If you were running an experiment to determine the temperature at which beans sprout the fastest, what would be the independent variable?
The temperature in which bean is kept.
Which of the following BEST describe prediction? It determines__________________.
the logical consequences of the hypothesis
What is the purpose of analysis? It determines ________________.
what the results of the experiment show and deciding on the next actions to take.
It is a basic science process skills that suggests explanations of an observation based on past experiences. Which of the following is the CORRECT answer?
Inferring
Which science process skill involves using your five senses to describe what you see, hear, smell, feel, and taste?
Observing
The soccer player wanted to see if he would win his game if he wore his lucky socks. Which science process skills in used in this situation?
Experiment