Scientific Method
A series of steps designed to help you solve problems and answer questions
A) scientific method
B) experiment
C) hypothesis
D) observation
A) scientific method
When a scientist shares her findings with other scientists, she is
A) analyzing data
B) making a hypothesis
C) experimenting
D) communicating results
D) communicating results
In an experiment, the variable that is changed or made different is the _________ variable.
What is independent?
Identify the step of the scientific method. Rene grew bacteria from the mouth on special plates in the laboratory. She placed drops of different mouthwashes on bacteria of each plate.
What is the experiment?
"The dog is soft", "the sidewalk is hot", and "her hair is brown" are all examples of ______________ observations.
What is qualitative?
What is a control (constant) in an experiment
The part of the experiment that does not change.
"The dog is 6 years old", "the sidewalk is 500 yards", and "her hair was cut 6cm" are all examples of ______________ observations.
What is quantitative?
The process of obtaining information by using the senses is called a/an
A) observation
B) scientific method
C) inquiry
D) conclusion
A) observation
Sally conducts an experiment measuring plant growth. She finds that after two weeks, a plant that received water grew 4 cm, but a plant that received soda died. What is the term for what is being measured?
Identify the independent variable. I want to know if vitamins will make a kitten grow faster.
What is giving the kitten vitamins?
What is another word for an educated guess?
Hypothesis
Marcie is trying a new cookie recipe. She wants to see if the amount of baking powder she uses will make the cookies rise more. She makes three batches of cookies and changes the amount of baking powder for each batch.
What is the dependent variable?
What is how high they rise?
Identify the step of the scientific method. Stephen predicted if an electric current traveled through the soil in which seeds were planted then seeds would grow faster.
An investigator is interested in seeing how tall a certain species of plant will grow if it is kept under red light for a month.
What would be valid hypothesis for this experiment?
If the light is red, then the plant will grow.
Identify the dependent variable. If I put in more effort, then I will succeed in school because I will train my brain to be stronger!
success in school
Susie wondered if the height of a hole punched in the side of a quart-sized milk carton would affect how far from the container a liquid would spurt when the carton was full of the liquid.
IV=
IV= height of the hole punched
Before starting a science activity you should always
a. | read all the instructions very carefully. | c. | ask your friend what to do. |
b. | put on an apron. | d. | get ready to do first aid. |
a. read all the instructions very carefully.
Scientists test a hypothesis by
A. | formulating questions. |
B. | designing models. |
C. | doing experiments. |
D. | drawing conclusions. |
C. doing experiments.
Which of the following steps is completed last?
A. | collecting data |
b. | reach conclusions |
c. | testing a hypothesis |
b. reach conclusions
Identify the experimental group. I am wondering how sugar affects the activity level of mice.
What is the mice who receive sugar?
What skill is a scientist using when she listens to the sounds that whales makes.
A) making a hypothesis
B) interpreting data
C) making observations
D) drawing conclusions
C) making observations
How many steps are in the scientific method?
6
Susie wondered if the height of a hole punched in the side of a quart-sized milk carton would affect how far from the container a liquid would spurt when the carton was full of the liquid.
DV=
DV= the distance the liquid spurted
Controlled Variables (Constants) are factors that _________ ___ _______.
remain the same
Identify the control group. How does honey impact the growth of bacteria on a culture?
What is the bacteria culture without honey?