Nature of Science
Observation/ infrence
Data
Plan & Perform the Experiment
Lab Saftey
100
Delilah followed these steps of an investigation: • Collect five objects made of different types of metal. • Place them on a large laboratory table. • Touch each metal object with a magnet and lift slowly. • Record observations. Which of the following statements is Delilah most likely testing? A.All types of metal are attracted to magnets. B.Each magnet can lift the metal object to the same height. C.Larger magnets can pick up heavier metal objects than smaller magnets can. D.Heavier metal objects are more attracted to magnets than lighter metal objects are.
What is A.All types of metal are attracted to magnets.
100
A description made using the five senses.
observation
100
It is good to first collect data and put it in to this type of organizer.
What is a data table?
100
Define what a hypothesis is.
An educated guess as to how something happens
100
During an experiment, if something is spilled, what is the FIRST thing you should do?
Tell the teacher
200
EMILY’S OBSERVATIONS 1 The petals of red roses are softer than the petals of yellow roses. 2 The song of a mockingbird is prettier than the song of a cardinal. 3 Orange blossoms give off a sweeter smell than gardenia flowers. 4 Sunflowers with larger petals attract more bees than sunflowers with smaller petals. Which of Emily’s observations is scientifically testable? A.1 B.2 C.3 D.4
What is D Sunflowers with larger petals attract more bees than sunflowers with smaller petals.
200
A statement that tries to explain an observation (ie,ie,o).
Infrence
200
This is another name for the horizontal axis of a graph, and it is usually where the categories go.
x axis
200
What is a scientific question?
inquiry
200
After you are finished with an experiment, you need to make sure that you do what?
Clean up area
300
Gabriel is designing an experiment to see whether sugar or artificial sweetener will attract the greatest number of ants. Which statement best describes why Gabriel should write down his experimental procedure? A.The exact experiment can be repeated by others and the results compared. B.The experiment can be changed by others to get different results. C.The data will help people decide what type of sweetener to use. D.The data will show people which ants are more common.
What is A.The exact experiment can be repeated by others and the results compared.
300
Susie must have passed her first science test! (Is this quantitative observation, qualitative observation, or inference?)
Infrence
300
This is the number that appears most often
What is the mode
300
Another name for what is being tested is ____________. There should contain _________ of these in an experiment. Fill in the blanks.
independent variable, one
300
Which of the following should you NEVER do? Clean up broken glass, eat or drink in the lab, touch electrical equipment with wet hands, or all of these.
all of these
400
Dora believes that there are more frogs in the pond by her house when the water temperature is higher. She is making a chart to use as she gathers data to see whether she is correct. What data should Dora record on her chart? A)time, air temperature, water temperature B)date, time, air temperature, number of frogs C)date, time, water temperature, number of frogs D)date, air temperature, wind speed, number of frogs
What is C)date, time, water temperature, number of frogs
400
This type of observation does NOT include numbers or measurements.
What is qualitative observation?
400
This is another name for the vertical axis of a graph and it is usually where the numbers go.
y-axis
400
The part of the experiment that never changes and is used to compare the results of your test is called the ____________. Fill in the blank.
controlled vairables
400
Jenny is doing an experiment in science class. The beaker she grabbed from the shelf has a small crack in it, but she doesn't think it will be a big deal to use. Jenny continues setting up the experiment anyways. What did Jenny do wrong? What should she do?
using faulty equipment; get a new beaker
500
Beth is conducting an experiment to determine how often she should fertilize her bean plants so they will grow quickly. She is going to test four plants as shown in the table. Plant Fertilization Schedule A,never B,monthly C,weekly D, daily Which variable is Beth testing? A)brand of fertilizer used B)amount of fertilizer used C)how often the plant is fertilized D)time of day the plants are fertilized
What is C)how often the plant is fertilized
500
The rope was measured to be 16 feet long. (What kind of observation?)
What is quantitative observation?
500
You find this by adding all the numbers together and dividing that by how many numbers you have
What is the mean
500
In order to draw a conclusions, you must ________ your data first. Fill in the blank.
analyze
500
Kevin is doing an experiment that involves testing different chemicals. What THREE things should he be sure to wear during this experiment?
Goggles, gloves, apron
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