Life Science A
Life science is the study of ________________________
The Study of Living Things
Identify the independent variable:
A study was done to find if different tire treads affect the braking distance of a car.
Different Tire Treads
The Way an organism is put together is known as its…
Structure
What is the magnification of just the eyepiece?
10x
Which two of these is not a berry?
1. Banana
2. Raspberry
3. Strawberry
4. Avocado
5. Tomato
6. Grape
Strawberry and Raspberries
(A berry is a fleshy fruit produced from a single ovary of a single flower. It has a soft outer skin, a fleshy middle, and contains seeds inside.)
What type of observation is the statement below?
The snake is three different colors
Quantitative
Identify the controlled variable:
Four groups of rats are first weighed and then fed identical diets except for the amount of vitamin A they receive. After 3 weeks on the diet, the rats’ masses are measured again to see if there has been a decrease
When you explain or interpret something you observe.
Inference
What is the magnification of the low power objective lense?
4x
What food never spoils?
Honey
What type of observation is the statement below?
The flowers are purple
Qualititative
Identify the dependent variable:
Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.
Number of Flowers
making a forecast of what will happen in the future based on past experience or evidence
Prediction
What is the magnification of the medium power objective lense?
10x
Carrots weren't always orange. For the longest time, carrots used to/ still are ______.
Purple
Is the following an example an observation or an inference?
The dog tore up the couch.
Inference
When looking at the low power objective on a microscope, what is the total magnification?
(remember eyepiece and low power objective)
40x
What three things must you ALWAYS do after using a microscope?
1. Lower Stage all the way
2. Set Objective lense to low power
3. Turn off the light
What is the magnification of the high power objective lense?
40x
Which U.S. President popularized Mac and Cheese in the United States?
(It is one of the first few presidents)
Thomas Jefferson
Sort the scientific inquiry steps (just numbers)
Collect data
Report your results
Form a hypothesis
Ask a question
Design an experiment
Form conclusions
4, 3, 5, 1, 6, 2
When using a microscope, always start on __________ power.
Low
Which axis is the x-axis on a graph?
(Horizontal ( _ ) or Vertical (l) line?)
Horizontal ( _ )
Which axis is the y-axis on a graph?
(Horizontal ( _ ) or Vertical (l) line?)
Vertical ( l )
What is the industry standard flavor for a green gummy bear?
Strawberry