Scientific Method A step by step process to

Scientific Method A step by step process to solve a problem.

Scientific Method in Daily life

Fresh apple or pear cake recipe • 3 c. flour 1/2 tsp. salt 1/2 tsp. soda 2 apples (or pears) 3 eggs 2 c. sugar 1 1/4 c. oil 1 tsp. vanilla 1 c. nuts • Combine dry ingredients. Add chopped nuts. Add apples (or pears), peeled and finely chopped. Add eggs, sugar, oil and vanilla. Fold well. Bake in tube pan at 350 degrees for 1 hour.

Make an OBSERVATION and ask WHY, How, What?

Coins made of different metals are placed on the surface of the swabbed plate which is then incubated at 35 C overnight. This photo shows a species of bacteria whose growth is sensitive to some metals, but not to others.

Proper dress is lab

Safety First

r a n s f e r r i n g 0. 0 1 m L o f a s o l u t i o n t o a t e s t t u b e ? • Which of these would be best to use when transferring 0. 01 m. L of a solution to a test tube? A B C D

• 1 The picture shows a student reading a graduated cylinder. Which change would help ensure that a more accurate measurement is made? AThe student should be seated. BThe cylinder should be held with two hands. CThe student should be wearing insulated gloves. DThe cylinder should be on a flat surface

• 2 The graph shows the results of a restocking program in which shrimp raised on a shrimp farm are released into the wild. If this trend continues, about how many metric tons of shrimp will be released in 1999? F 12 G 13 H 14 J 15

• The graph shows the growth of a Daphnia population in a 420 -liter aquarium. According to these data, what was the approximate Daphnia population by the end of the second day?

Which piece of laboratory equipment is used for dissecting a flower's pistil?

• The average length of these snail shells is --

• If this trend continues, how many nesting pairs of purple martins will there be in the colony by the end of the fourth week?