All About Kelp
What is kelp?
Kelp is a type of seaweed. Kelp is not a water plant.
(Will accept a type of algae)
Name the 3 parts of a plant.
Plants have stems, roots, and leaves.
What is a hypothesis?
A hypothesis is a scientific explanation that can be tested or an educated guess.
If students spend more time using TikTok, then they will read fewer books.
Independent Variable: ?
Dependent Variable: ?
Independent Variable: Time spent on Tik Tok
Dependent Variable: The amount of books they read
Is this qualitative or quantitative data?
The laptop is silver.
Qualitative data
True or False?
Kelp has the ability to grow to be as large as trees
TRUE
What is the name of plants that live in water?
Aquatic plants
A hypothesis may be helpful to write it as an “___ and_____” statement.
a. If and than
b. Than and then
c. If and then
d. If and we
A hypothesis may be helpful to write it as an “ If and then” statement.
c. If and then
Spending time with a family dog decreases the amount of stress someone is feeling.
Independent Variable: ?
Dependent Variable: ?
Independent Variable: Spending time with a family dog
Dependent Variable: The amount if stress someone is feeling
Is this qualitative or quantitative data?
The bug was 5 cm long.
Quantitative
What is Kelp classified as to many scientist?
A. Tree
B. Protist
C. Proton
D. Aquatic plant
Scientists classify a living thing as a protist when it cannot be classified as an animal, plant, fungus, or bacteria. Protists can be single-celled or multicellular.
Name the job of a plant's stem.
(Ex. The leaves of a plant helps with....)
Stems support the leaves and transport water, nutrients, and food to other parts of the plant.
Scientific data can be organized into two main categories: Qualitative and Quantitative Data
Explain the difference between qualitative and quantitative data.
Quantitative- data in the form of numbers, obtained by counting or measuring
Examples: measurements (mass, length, or volume), counting, cost
Qualitative - data in the form of a description (not numbers)
Examples: colors, characteristics, patterns
One group of students read a reading passage in silence and one group read the passage with the TV on in the background. They both took a comprehension test to see what they understood from the passage.
Identify the independent and dependent variables in this experiement.
Independent Variable: Reading a passage in silence vs. reading a passage with the TV on in the background
Dependent Variable: The comprehension test scores to see what they understood from the assignment
Is this qualitative or quantitative data?
"The restaurant is 3.7 miles away from my school."
Quantitative data
What are the three parts that make up kelp?
Hint: Plants have roots, leaves, and a stem. So, kelp has _______, _______, and ______.
Kelp are made of three similar parts called blades, stipe, and holdfast
Name the job of a plant's leaves.
(Ex. The leaves of a plant helps with....)
The leaves of a plant are responsible for absorbing sunlight. In addition, they are responsible for letting gases in and out of the plant.
Explain the difference between independent and dependent variables.
Independent Variable (IV): The variable which is purposely changed or manipulated during an experiment
Dependent Variable (DV): The variable that is directly affected by the independent variable. This is what changes at the end of the experiment.
Workers at a company were assigned to one of two conditions: One group completed a stress management training program; another group of workers did not participate in the training. The number of sick days taken by these workers was counted and studied for the next 2 months.
Identify the independent and dependent variables in this experiement.
Independent Variable: The different conditions workers were assigned. Taking a stress management training program verse not taking one at work
Dependent Variable: The number of sick days taken by these workers
Is this qualitative or quantitative data?
“The car is broken.”
Qualitative data
Kelp is _____________.
A. Multicellular
B. Bicellular
C. Cellular
D. Cellular Device
Multicellular
Fill in the blank:
The purpose of photosynthesis is to use the energy from _____ to make ____ _____ _____.
The purpose of photosynthesis is to use the energy from light to make high energy sugars.
At the core of biology and other sciences lies a problem-solving approach called the scientific method.
The scientific method has five basic steps, plus one feedback step. Name all steps, bonus points if you get the last step!!! :)
Make Observations
Ask a Question
Develop a Hypothesis
Design an Experiment
Analyze Data
Draw Conclusions (BONUS 300 POINTS IF YOU GOT THIS ANSWER)
Students at a University were split into two groups and each received a different textbook for a course. One group received a traditional (normal) textbook, while the other received an interactive textbook on a tablet computer. After the course, the final exam grades between the two groups of students were compared.
Identify the independent and dependent variables in this experiement.
Independent Variable: The type of textbook format each student received. (traditional or digital interactive textbook)
Dependent Variable: The final exam grades
Identify the qualitative and quantitative data in this sentence:
"Susie has a tall bookcase that stands at 6ft in height. She has 24 books on it all of the books are pink."
Qualitative data: tall bookcase, all the books are pink in color
Quantitative data: the bookcase is 6ft in height and has 24 books on it