WorksheetsScience Midterm REVIEW
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
What is the name of the tool we can use to determine pH of a substance?
a)
acid paper
b)
dichotomous key
c)
water
d)
litmus paper
2.
Water has a density of 1 g/cm3. A rubber duck placed in a tub of water would float. What could be said about the density of the duck?
a)
Its density is less than 1 g/cm3
b)
Its density is more than 1 g/cm3
c)
Its density is equal to water
d)
The density does not matter
3.
This is information gathered using the five senses.
a)
Independent variable
b)
Inference
c)
Dependent variable
d)
Observation
4.
Which Characteristic of Life is this? The ability to maintain a stable internal environment.
a)
Maintain Homeostasis
b)
Displays organization
c)
Reproduce
d)
Responds to Stimuli
5.
Bases turn litmus paper ...
a)
blue
b)
red
c)
yellow
d)
orange
6.
This is the variable that we change during an experiment. It is what we are testing. It is usually different between testing groups.
a)
Independent variable
b)
Hypothesis
c)
Dependent variable
d)
Constant
7.
What is the amount of matter in an object called?
a)
Volume
b)
Weight
c)
Density
d)
Mass
8.
Which classification group has the greatest similarity among the organisms?
a)
kingdom
b)
family
c)
genus
d)
species
9.
All organisms can do photosynthesis.
a)
TRUE
b)
FALSE
10.
Humans belong to which kingdom?
a)
monera
b)
fungi
c)
plant
d)
animal
11.
Electrons have a ...
a)
Positive Charge
b)
Negative Charge
c)
No Charge
d)
Super Charge
12.
This DOES NOT have a definite shape but has a definite volume.
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
13.
This is an assumption based off something we observed.
a)
Independent variable
b)
Inference
c)
Dependent variable
d)
Observation
14.
What is the amount of space an object takes up called?
a)
Volume
b)
Weight
c)
Density
d)
Mass
15.
Acids turn litmus paper ...
a)
blue
b)
red
c)
yellow
d)
purple
16.
The substance that is dissolved in a solution ...
a)
Solution
b)
Mixture
c)
Solvent
d)
Solute
17.
Which set of items could be used to make observations during an experiment?
a)
Sight, ruler, and stopwatch
b)
Sight, touch, and a textbook
c)
Sight, graph paper, and a calculator
d)
Touch, ruler, and a notebook.
18.
Acids have a pH range of...
a)
just 7
b)
0-6
c)
8-14
d)
0-14
19.
A student decides to enter a science contest that requires an original research project. What is the first step she must take in doing the research?
a)
Design an experiment
b)
Write a conclusion
c)
State the problem she wants to solve
d)
Collect Data in an organized chart.
20.
What is needed for photosynthesis?
a)
Sunlight
b)
Water
c)
Carbon Dioxide
d)
All of these
21.
What is the term for a solute mixed with a solvent?
a)
Solvent
b)
Mixture
c)
Solute
d)
Solution
22.
Which organelle is responsible for photosynthesis?
a)
Nucleus
b)
Chloroplasts
c)
Mitochondria
d)
Cell wall
23.
A student visits a stream. The student writes down four statements in his notebook. Which statement is an inference?
a)
The maximum water depth is 8.7 meters
b)
The water is so clear that I can see the bottom
c)
The stream was formed during the last Ice Age
d)
The water temperature is 16.0 °C
24.
The length of a sneaker is best measured in ...
a)
millimeters
b)
centimeters
c)
meters
d)
kilometers
25.
These factors stay the same throughout an experiment.
a)
Independent variable
b)
Hypothesis
c)
Dependent variable
d)
Constant
26.
This is the variable that we make our observations based on. We tend to measure and record this information as Data.
a)
Independent variable
b)
Hypothesis
c)
Dependent variable
d)
Constant
27.
Which Characteristic of Life is this? The ability to react to internal and external factors.
a)
Responds to Stimuli
b)
Adapt and Evolve
c)
Requires Energy
d)
Made of Cells
28.
Which organelle is responsible for creating ENERGY?
a)
Nucleus
b)
Chloroplasts
c)
Mitochondria
d)
Cell wall
29.
Which Characteristic of Life is this? The ability to add mass to an organism, and the process of natural changes over the lifetime of organisms.
a)
Growth and Development
b)
Maintain Homeostasis
c)
Displays organization
d)
Reproduce
30.
The information that has been collected through observation and measurement is called the …
a)
Data
b)
Conclusion
c)
Variables
d)
Theory
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