1. Midterm Review
Created by Educational Technology Network

2. Light bulb moment
I am a genius
Science Nerd
A is for effort
Mad scientist 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Topic 1 – 10 Points QUESTION: ANSWER: observation
Using one or more of your senses to gather information is called
ANSWER:
observation

4. Topic 1 – 20 Points QUESTION: ANSWER: Independent variable
A variable that is purposely changed to test a hypothesis is a(n)
ANSWER:
Independent variable

5. Topic 1 – 30 Points QUESTION: ANSWER: 10
The metric system of measurement is based on the number.
ANSWER: 10

6. Topic 1 – 40 Points QUESTION: ANSWER: volume
What would you measure using a graduated cylinder?
ANSWER:
volume

7. Topic 1 – 50 Points QUESTION: ANSWER: The distance between 2 cities
For which would the kilometer be the most appropriate unit of measure?
ANSWER:
The distance between 2 cities

8. Topic 2 – 10 Points QUESTION: ANSWER: The length of an ant
What would the millimeter be the most appropriate unit of measure?
ANSWER:
The length of an ant

9. Topic 2 – 20 Points QUESTION: ANSWER: mass
What would you measure using a balance?
ANSWER:
mass

10. Topic 2 – 30 Points QUESTION: ANSWER: meter
The basic unit of length in the metric system is the
ANSWER:
meter

11. Topic 2 – 40 Points QUESTION: ANSWER: 1000
How many meters are there in a kilometer?
ANSWER:
1000

12. Topic 2 – 50 Points QUESTION: ANSWER: mass
In SI, the kilogram is the basic unit of
ANSWER:
mass

13. Topic 3 – 10 Points QUESTION: ANSWER: Volume
The amount of space an object takes up is its
ANSWER:
Volume

14. Topic 3 – 20 Points QUESTION: ANSWER: Divide mass by volume
To calculate the density of an object, you would
ANSWER:
Divide mass by volume

15. Topic 3 – 30 Points QUESTION: ANSWER: Kelvin
The official SI unit of temperature is
ANSWER:
Kelvin

16. Topic 3 – 40 Points QUESTION: ANSWER: Left to right or across
The horizontal axis of a graph runs
ANSWER:
Left to right or across

17. Topic 3 – 50 Points QUESTION: ANSWER: Scientific explanation
Trying to explain why a solar eclipse occurs is an example of.
ANSWER:
Scientific explanation

18. Topic 4 – 10 Points QUESTION: ANSWER: Able to be tested
A scientific hypothesis must be
ANSWER:
Able to be tested

19. Topic 4 – 20 Points QUESTION: ANSWER: Making assumptions
What is not a way to gain scientific knowledge?
ANSWER:
Making assumptions

20. Topic 4 – 30 Points QUESTION: ANSWER: Scientific explanation
The statement, "Moonlight is caused by the moon reflecting sunlight" is an example of a(n)
ANSWER:
Scientific explanation

21. Topic 4 – 40 Points QUESTION: ANSWER:
How are opinion and scientific evidence are related?
ANSWER:
An opinion may be formed by evidence

22. Topic 4 – 50 Points QUESTION: ANSWER: farmers
Rachel Carson caused controversy with her research about the harmful effects of the pesticide DDT. Which group most likely would have disagreed with her findings?
ANSWER:
farmers

23. Topic 5 – 10 Points QUESTION: ANSWER: Scientific theory
A well-tested explanation for a wide range of observations or experimental results is called a
ANSWER:
Scientific theory

24. Topic 5 – 20 Points QUESTION: ANSWER:
Nearly 2,000 years ago the astronomer, Ptolemy, believed that all objects in space, including the sun, revoled around Earth. 500 years ago, Nicolaus Copernicus made observations showing that Earth and other planets revolved around the sun, which refuted Ptolemy’s arguement.This is an example of how scienctific knowledge
ANSWER:
Changes as a result of new evidence

25. Topic 5 – 30 Points QUESTION: ANSWER:
Why is it useful for scientists to develop model for the structure of atoms?
ANSWER:
Atoms are too small to study directly

26. Topic 5 – 40 Points QUESTION: ANSWER: Carbon dioxide
What is an example of output from a circulatory system?
ANSWER:
Carbon dioxide

27. Topic 5 – 50 Points QUESTION: ANSWER: feedback
In a home central heating system, when the room temperature measured by the thermostat reaches a set value, the thermostat switches off the heater. This action by the thermostat is an example of
ANSWER:
feedback