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Nature of Science LTMS Grade 8 Flashcards | StudBud
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Nature of Science LTMS Grade 8
Nature of Science LTMS Grade 8
20 terms
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StudBud Administration
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374 plays
Scientific Method, Safety, Lab Equipment, Density
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which is not a way that scientists improve the reliability of results of an experiment?
repeat their own investigations
replicate other scientists investigations
perform many trials
test multiple variables at the same time
2
What is the density of an object that weighs 10 g occupies a volume of 20 ml?
2 g/ml
20 g/ml
0.5 g/ml
10 g/ml
3
If an object is dropped into a grad cylinder with 100 ml of water and the water rises to 125 ml
the object has a volume of 125 ml
the object has a volume of 25 ml
4
which of the following does not require the use of this image
chemicals
heat
scale
glassware
5
Volume is measured in
meters or kilometers
degrees Celsius or Fahrenheit
grams or kilograms
milliliters or liters or cm³
6
The density of an object describes
how light an object is
how big an object is
how tightly packed the molecules are
7
What is the dependent variable?
time
sun exposure
using sunscreen or not
getting skin cancer or not
8
Volume describes
how much space an object takes up
how much matter it contains
9
Which instrument best measures mass?
graduated cylinder
spring scale
triple beam balance
thermometer
10
What is the responding variable?
amount of TV
JJ
time
times the baby woke up.
11
Name this piece of lab equipment
graduated cylinder
elephant tusk
Erlenmeyer flask
beaker
12
Crushing cereal results in...
...a new substance being formed.
...cereal with a higher density.
...cereal with a lower density.
13
Which is associated with quantitative data?
45 mL
soft
hot
blue
14
What does the "R" stand for in the acronym "DRY MIX"
Responding
Rapid
Revolve
Rotate
15
On which graph axis do you put the dependent variable?
Y
A
X
Z
16
What is the first step of the scientific method?
research
experiment
problem
hypothesis
17
Mass is measured in
degrees Celsius or Fahrenheit
meters or kilometers
milliliters or liters or cm³
grams or kilograms
18
What is the independent variable?
amount of sleep
reading scores
Billy Bob
time
19
What is the manipulated variable?
Math Scores
Grade Level
Responding
Constant
20
What relationship between heating time and water temperature is shown in this graph?
As heating time increases, the water temperature increases.
The water temperature does not change.
As heating time increases, the water temperature decreases.
