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Unit 1 Nature of Science Flashcards | StudBud
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Unit 1 Nature of Science
Unit 1 Nature of Science
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Nature of science review including safety, scientific method and lab equipment
Flashcards
22 cards
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Questions
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Answers
1
What improves validity in an experiment?
1 trial
Many, many trials
2 trials
3 variables
2
Which of the following terms describes the factors that are kept constant during an experiment
a hypothesis
a theory
a scientfic model
a control
3
Objects in motion, stay in motion. Objects at rest, stay at rest; unless acted upon by an unbalanced force.
Law
Hypothesis
Theory
Question
4
When you have a spill in the lab, you should
tell your teacher and then clean it up
Hide it from your teacher
clean it up and throw the broken glassware in the trash
use your apron and cover it up
5
Which of the following is the independent variable?
rate of solubility
I have no idea
temperature of solvent
6
Bella wanted to find out if temperature affected mold growth on bread, what should she do?
create a scientific model
conduct an experiment
ask an adult
write a report
7
What instrument do you we use to measure mass?
a meter stick or cm ruler
a microscope
a triple beam balance or electronic balance
a beaker or graduated cyclinder
8
When heating a test tube, always:
point it toward your enemy
point it away from everyone
point it toward your face
put a stopper in it
9
Which of the following is NOT a metric measuring unit?
meter
yard
centimeter
liter
10
When using a microscope, what two parts determine the magnification?
arm and objective
eye piece and stage
eye piece and objective
eye piece and arm
11
Which of the following is qualitative data?
15 mL of water
solid, green beans
5 mung beans
12 cm of growth
12
Which of the following is NOT involved in a scientific investigation
forming a hypothesis
gathering data
having multiple independent variables
asking a question
13
Juan conducts an experiment.Shay wants to do it.What should happen for the results to be the same
All conditions must be different.
Some of the conditions must be the same.
All of the conditions must be the same.
None of the conditions can be the same.
14
What is the measurement on this graduated cylinder?
83 mL
80 mL
70 mL
85 mL
15
When using chemicals in the lab, you should always wear:
safety glasses and eye glasses are enough
close toed shoes, gloves and goggles
open toed shoes
gloves and goggles with any type of shoe
16
Chris did an experiment at home many times.If he did it with the class what is likely to happen
Only part of the experiment will work
He will probably get the same results
The experiment will not work at all
He will get entirely different results
17
Which representation would be best to use for comparing the speeds of 2 toy race cars?
a Venn Diagram
a journal
a sketch
a graph
18
What is the dependent variable?
sunlight
growth in cm
type of plants
time
19
Will's teacher conducted an experiment 3 times and got the same results. Will was asked to draw a conclusion
make a stance & provide an explanation of results based on data collected
collect data to prove something
to create a scientific model
make an educated guess
20
Which of the following is an accurate hypothesis?
First step is to measure the beans. Second step is to add water
If water is added, then germination will happen.
If water is added to beans, then the seeds will sprout because water pro...
How much water is needed to stimulate plant growth?
21
Which of the following is not a step in the scientific method?
Forming a hypothesis
Analyzing data
Stating a problem
Scientific theory
22
Which of the following is a theory?
Conservation of mass
Continental drift
Gravity
Inertia
