2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt O v I & L v T Scopes & Safety Terms & Words Graph & Measure Metric Mania
Observation or Inference? The man in the drugstore fell to the floor clutching his chest and the other customers turned in his direction when he screamed.
What is an observation?
Observation or Inference? Even though Jennifer didn’t say anything, I could tell she was having a good time because of her smile.
What is an inference?
Law or Theory? Every year the leaves fall off of the trees.
What is an law?
She is sad. Observation or Inference?
What is an inference?
Law or Theory? The leaves fall of the trees every year because of a decreased amount of sunlight in the fall.
What is an theory?
The total magnification under low power.
What is 100X larger? (10X for Eyepiece and 10X for objective lens)
The total magnification under high power.
What is 400X larger? 10X Eyepiece & 40X Objective Lens
Two items that should be worn in the lab at all times.
What are goggles and an apron?
The most important safety rule.
What is always follow your instructor’s directions at ALL times?
Describe how to make a wet mount.
What is slide, specimen, drop of water, cover slip (at angle)?
An testable statement that predicts the outcome of an experiment.
What is a hypothesis?
Something taken in with our five senses.
What is an observation?
The variable in an experiment that we know, is predictable and we are changing.
What is the independent variable?
The variable we don’t know, are trying to figure out and is unpredictable.
What is the dependent variable?
Fill in the blanks: If _______________, then __________________, because________________.
What is If I do this, then this will happen because of this reason ?
This is effected by technique of using a measurement device, not the device itself.
What is the accuracy?
This is effected by the measurement device; how many digits you can include in an answer.
What is precision?
SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Power fertilizer to see if it will help his plants produce more pink flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He gives plant A the fertilizer every other day and waters both plants with 50mL of water every day. Plant B receives no fertilizer. They are both placed in a sunny area. The control
What is Plant B?
SpongeBob loves to garden and wants to grow lots of pink flowers for his pal Sandy. He bought a special Power fertilizer to see if it will help his plants produce more pink flowers. He plants two plants of the same size in separate containers with the same amount of potting soil. He gives plant A the fertilizer every other day and waters both plants with 50mL of water every day. They are both placed in a sunny area. The dependent variable.
What is numbers of pink flowers?
Jimmy measured how tall his little brother was getting over a period of 6 months. Draw & label both axes MonthHeight in cm
X axis = months Y axis = height (cm)
75 mL = ________ L
What L?
1 m = _______ cm
What is 100 cm?
The base unit for temperature.
What is Celsius?
The base unit for mass
What is grams?
True or False? Scientists use the metric system because it is more accurate.
What is false? To get bonus points – Why do they use it? (2 reasons)