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8th grade Nature of Science with Density Quiz Flashcards | StudBud
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8th grade Nature of Science with Density Quiz
8th grade Nature of Science with Density Quiz
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8th grade Florida Standards Density Quiz
Flashcards
60 cards
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Questions
60
Answers
1
A cube has a height of 9 cm. The mass of the cube is 3,645 g. What is the density?
5 g/cm3
405 g/cm3
0.2 g/cm
729 cm
2
What determines whether an object floats or sinks in water.
If it is magical
Density is fake. Unicorns are real and the Sun revolves around the Earth.
If it is more or less dense than water. (1 g/mL)
Wow, it would be really embarassing if someone picked this one.
3
What is a scientific model? More than one answer!
A representation of something that is too big, too small or too expensive
The only model that can be created is that of Jupiter.
A real phenomenon that cannot be observed directly.
A science based fashion show. Miss Frizzle had a career change.
4
What are the three states of matter? Pick all three!!!
Solid
Gas
Water
Ice Ice Baby
Cats are liquid and Polar Bears are cool.
Liquid
5
What is the formula for the volume of a regular object?
L x W x H
Add all the sides and multiply by 4.
Add the sides, multiply by 2, divide by 3.14
L x L x L
6
What is volume?
The amount of space the atoms of an object take up
Da da da dat da dat da da da da ya da da da dat dat da ya da!
The amount of atoms in an object.
The thing on the radio that my Mom always turns down.
7
Karis find that adding a chemical to cells it creates a protein that humans need to stay healthy. What should she do now
Destroy the experiment so that no one knows about it
Publish her findings in a scientific journal
Repeat the experiment to see if she gets the same results.
Hold a press conference about how smart she is
8
Which of the following is an example of an observation?
It is raining outside, so there must be a cold front moving through
The girl's favorite subject is science.
The baby is crying loudly because she is hungry
An ice cube feels cold to the touch
9
Clara does an experiment. Her results do not agree with her hypothesis. Why is this information still valuable?
Clara has to accept the results with no proof.
It is not valuable. This is a false statement.
Any data is good data. She now knows what doesn't work.
Clara should repeat the experiment, because there is no way she is wrong.
10
What is mass?
The volume times the density
The average kinetic energy of an object.
Heavy stuff
The amount of atoms in an object
11
Which
best
describes an experiment?
Measuring the speed of an eagle when it is hunting
Measuring the height of crops that receive different fertilizers
Measuring the diameter of a certain type of tree in a forest
Measuring the rate at which a population of wild insects reproduces.
12
Which is a scientific question that can be tested?
Which is the nicest color for rose plants?
What is electricity?
How many pine trees are in a tundra forest?
Does water heat up more quickly than sand in sunlight?
13
What is the volume of an object with a density of 5g/ml and a mass of 20g?
4 ml
100 g
4 g
100 ml
14
Which of the following is an example of an inference?
The outside of the house is made of red brick
The girl is running because she is late for school
There is a crack in the wall of the restaurant
A man is driving a green truck
15
Which science principle explains the way the world works? (Usually in a statement form)
Scientifically testable
Scientific law
Empirical Evidence
Scientific theory
16
Why is replication important in a scientific investigation?
To provide a prediction about data results during investigations.
To find inconsistencies during an investigation.
To ensure accuracy during an investigation.
To provide the same results to the same person during an investigation.
17
Ask a question, form hypothesis, experiment, analyze results....what's next?
Draw a conclusion
Develop a theory
Select equipment
Identify the variables
18
What is an independent variable?
The variable that is changed by the scientist. Found on the X axis.
The variable that is the result. It is on the Y axis.
It is a strong human who can take care of themselves and can ask for help.
Big Bird is spinning in a chair. He must be getting dizzy.
19
What are three ways we can measure matter? Pick 3!
Measure it
Pick it up and compare it to other things.
Mass
Volume
Multiply something together
Density
20
The graph shows the number of people who visited doctors because of flu-like illnesses. What can you conclude about it?
The severity of flu-like symptoms decreased in 2008-2009
Flu-like illnesses follow a steady pattern throughout the year.
The number of flu-like illnesses did not peak at the same times
Scientists can predict the number of illnesses will decrease in 2009-2010.
21
Which step below is repetition?
Step 1
Step 3
Step 4
Step 2
22
How does our current model of an atom differ from Bohr's model?
Both the electrons and the nucleus differ from Bohr's model.
They are the same model.
The electrons differ
The nucleus differs
23
What is the density of an object with a mass of 50 g and a volume of 20 mL?
Don't pick this one, it's not the answer. You may want to, but don't.
0.4 g/mL
2.5 g/mL
1000g/mL
24
A scientist has found a new way to produce energy. Why is it important to replicate his results?
to make sure the scientist knows what they are doing
to find ways to make the investigation easier
to include more people in the development of a new energy source
to confirm the results are valid and not the results of errors
25
Which statement about scientific method is true?
The scientists will include multiple trials of every experiment.
Steps of the scientific method can be skipped. They are just suggestions
The scientific method rarely involves data collection.
The scientists always publish their conclusions in scientific journals.
26
How would the density of a rock change if the rock was split in half?
The density would be twice as much because you have 2 pieces.
The density would be half as much because it is cut in half.
It would be dependent on the type of rock you use.
The density would remain the same.
27
What are the steps of the scientific method? (In order)
Question, Hypothesis, Analyze, Share, Research, Experiment, Conclusion
Share, Conclusion, Analyze, Experiment, Hypothesis, Research, Question
Uh - I have been ignoring this since 5th grade.
Question, Hypothesis, Research, Experiment, Analyze, Conclusion, Share
28
Which of the choices below could be the hypothesis in an experiment?
Plant a tomato seedling 6 inches deep a large pot
How much sunlight do tomato plants need to thrive?
Tomato plants require 8 hours of direct sunlight to grow
If tomato plants receive 4 hours of direct sunlight, then they will thrive
29
Dependent Variable? A lack of sleep can make you gain weight?
There is not an independent variable.
Lack of sleep
Look a doggo! Awwww he's cute.
Weight gain
30
What is the Volume of this object?
40 cm3
Math
10 cm2
60 cm
31
What must be true of any hypothesis for it to be useful in an investigation?
It must lead to further investigations.
It must be developed without depending on prior investigations.
It must be supported by data.
It must be used to develop a theory.
32
In the early 1900's Alfred Wegener described continental drift. Which term describes continental drift?
Law
Hypothesis
Empirical Evidence
Theory
33
Which of the following hypothesis would NOT be tested using a controlled experiment?
The use of fertilizer increases the growth of grass.
An increase in temp will cause an increase in bee population.
A geologist questions how the Grand Canyon was formed.
Acid rain causes erosion in rocks than non-acid rain.
34
Independent Variable? Tomato plants grown with music have more tomatoes.
Music
Amount of tomatoes
Bob? Bob the Tomato?
Hey, that's Bob the Tomato!
35
What is the equation and units for density?
MV divided by 2 and g/mL
MV and g or mL
M/V and g/mL or g/cm3
M/V and g or mL
36
True or False: If an ice cube is placed on a stove and melts, its density will change.
False
Why would you pick this one?
The options are true and false, but I belieive it is something different.
True
37
Which of the following is not a way that scientists ensure reliability in their experiments?
Scientists run multiple trials of the experiment to verify the results
Scientists make sure to follow all of the steps of the scientific method.
Scientists follow safe lab practices and proper equipment use.
Scientists perform the experiment before making a hypothesis.
38
What is weight?
The amount of atoms in an object.
I should really study this stuff.
Gravity is fake, Weight is fake, but Unicorns, they are real!
The gravitational pull on the mass of an object.
39
What is the formula for the volume of an irregular object?
V2 x V1
V2 / V1
V2 + V1
V2 - V1
40
Which science principle describes the way the world works? (Usually in a statement form)
Scientific law
Scientific theory
Empirical Evidence
Scientifically testable
41
What is matter?
The mass of an item divided by the volume.
I don't know, what's a matter with you? Please don't pick this one....
Anything that has mass and takes up space.
Stuff
42
Dependent Variable? Trout raised in cold water weigh more than trout raised in warm water.
Water Temp
Fishy Weight
That girl freaks me out.
Fishy Fishy Fishy
43
If we raise the temp of water to find out if the amount of salt mixed in changes. What is the independent variable?
The type of salt that mixes in the water
The amount of salt that mixes in the water
The amount of the water in the sample
The temperature of the water
44
What is density?
The amount of atoms in an object.
The amount of atoms in an object AND the amount of space those atoms take
The amount of space atoms take up.
Dog
45
What are the 3 things that are not made up of matter?
Look Blythe! It's Sponge Bob!
Colors are pretty
Shiny, Warm, Loud
Light, Heat and Sound
46
A physicist wants to examine the characteristics of a new material. Which method will the physicist most likely use?
Observations of an Ecosystem
A Survey
Fieldwork
Laboratory Experiments
47
Dependent Variable? Tomato plants grown with music have more tomatoes.
Hey, that's Bob the Tomato!
Music
Amount of tomatoes
Bob? Bob the Tomato?
48
What is
true
about scientific laws?
Scientific laws are the same thing as facts.
Laws are the foundation of scientific theories.
Laws can explain a wide range of events.
Laws can change in light of new evidence.
49
Independent Variable? A lack of sleep can make you gain weight?
Look a doggo! Awwww he's cute.
Lack of sleep
Weight gain
There is not an independent variable.
50
Zoe heats a sample of a solid until it melts. Which is an example of replication related to her experiment?
Barbara continues to heat the sample until it is a gas.
Capra and Lily heat an identical sample to see if it melts at the same temp
Emma lets the sample cool and then heats it again.
Emily heats a different sample with the same mass until it melts.
51
What is the volume of the irregular shaped object?
75ml
135ml
60ml
25ml
52
Scientists use a computer model that takes into account any factors that can change on an island. What is true?
The program will help scientists predict changes on the island.
The program will be useless because it includes too many factors.
The program will allow scientists to stop climate change.
The program will provide exact information about the future of the island.
53
Independent Variable? Trout raised in cold water weigh more than trout raised in warm water.
Fishy Weight
Fishy Fishy Fishy
That girl freaks me out.
Water Temp
54
Cassidy goes to the park at 5pm for 7 days. She takes notes on the birds she sees. What process does this represent?
Repetition
Reproduction
Repurposing
Replication
55
Why did scientists decide to classify organisms into more groups?
Few organisms have gone extinct in recent years.
Scientists continue to learn more about living things.
More organisms exist now than 300 years ago.
Scientists invent new organisms that need to be classified.
56
What is the difference between quantitative and qualitative?
Quantitative is numbers. Qualitative is descriptions.
They are the same.
Quantitative is descriptions. Qualitative is numbers.
Kahoots are fun.
57
What is a dependent variable?
Wow I should really know this.
Variable that is changed on purpose. It is on the X axis.
Variable that changes in response to the indep variable. On the Y axis.
Kermit looks disappointed. I sure hope he is not disappointed in me.
58
Which is
true
about the scientific theory of evolution?
It had no significant impact on scientific thought and society.
It was proved what most scientists believed at the time.
It was accepted by all scientists without question.
It was developed using large amounts of empirical evidence.
59
Which
best
explains why scientists accept the theory of relativity as a valid scientific theory?
Scientists recognize that Albert Einstein was the GOAT.
Scientists believe what is agreed upon by the majority of scientists.
Scientists are able to explain many natural events by applying the theory.
Scientists found an example of when it is true.
60
How fast can you select the answer that contains the word ant?
Coffee, sugar, cup, ant, green bean, flooring, karate
Water, baking soda, spoon, annie, peas, wall, basketball
Soda, flour, bowl, dog, carrots, ceiling, another, soccer
Kool-aid, baking powder, cat, antenna, carpet, football
