Download 1st nine weeks benchmark study guide answer KEY

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Science Benchmark Study Guide
Characteristics of Science:
1. What is a graduated cylinder used to measure?
It is used to measure the volume of a liquid
2. Which science tool is used to measure the mass of an
object?
A triple beam balance
3. Read the graduated cylinders below.
5. List the steps of the Scientific Method. Ann Has Twenty
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Ask a question, Form a Hypothesis, Test your hypothesis
(experiment), Analyze your results, Draw conclusion,
Communicate Results
1. 7 mL
2. 38 mL
3. 33 mL
4 Read the triple beam balances below.
1st triple beam balance is 286.7 grams
2nd triple beam balance is 376 grams
4. 20 mL
6. When should safety rules and precautions be planned?
When you design your experiment
7. Why is it important for scientists to record accurate data
while experimenting?
In order to past data to other scientists and retest
8. If you wanted to verify a claim, which step of the scientific
method would help you do so?
OMIT- bad question
9. I want to calculate how much liquid I have, which tool should I
use?
Graduated cylinder
10. When comparing how much water two plants absorb, what
could I do to figure how much each plant absorbed?
Measure the amount of water you put in each plant
Theories of the Solar System:
Name that Theory:
Heliocentric – sun centered model of the universe
Big Bang Theory 1. Expansion of the universe
Heliocentric theory 2. Sun Centered Solar System
Geocentric theory 3. Earth Centered
Big Bang Theory 4. Lemaitre and Hubble
Geocentric Theory 5. Aristotle and Ptolemy
Heliocentric theory 6. Copernicus and Galileo
Geocentric - earth-centered model of the universe
9. What is nebula?
A cloud of dust and gas
10. What evidence supports the universe is expanding?
Galaxies are moving farther apart
Heliocentric theory 7. Jupiter’s Moons
12. Rank the following objects in terms of size. Largest to
8. Draw and explain Geocentric and Heliocentric Theories.
smallest.
2 Galaxy
4 Earth
2. Describe Inner Planets.
3 Sun
Small and rocky
1 Universe
13. What type of galaxy do we live in?
Milky Way Galaxy
14. Where is our solar system located within the Milky Way?
Of the outer arm called Orion’s Arm
3. Describe Outer Planets.
Large and gaseous
4. Which planets have greater gravity? Remember Mass!
15. A Light year measures?
Distance
The outer planets because they are larger
16. Name the three types of galaxies:
5. What makes Earth unique and have the ability to
support life?
Liquid water
1. Elliptical
2. Irregular
6. Is Earth an Inner or Outer Planet? Circle One.
Inner
3. Spiral
Outer
7. What causes the Moon to orbit the Earth? Explain.
The moon is smaller and the earth is larger.
Comparing Planets:
1. What mnemonic device helps you remember the
order of the planets?
My Very Educated Mother Just Served Us Nachos
8. Name that Planet!
Jupiter Largest Planet
Venus Earth’s Twin Sister
Mars Red Planet
1. What is the difference between the terms rotation and
revolution?
Rotation is spinning of its axis; revolution is orbiting around
the sun
Neptune Methane Gas/Blue
Uranus Rotates on its side
Venus Hottest Planet
2. Name that motion
Jupiter Great Red Spot
Revolution Earth orbiting the Sun
Saturn Most Visible Rings
Rotation Earth spinning on its axis
Rotation Makes stars seam to move in sky
9. Label the Planets. Mercury, Venus, Earth, Mars, Jupiter,
Saturn, Uranus, Neptune
Revolution 365 ¼ days or One Earth Year
Rotation 24 hours or One Day
Rotation Causes the Sun to appear to rise/set
3. What does Earth’s tilt cause? Seasons
4. What percentage of Earth lit up at any given time? 50%
Gravity:
1. What is the force that governs motion in the solar
system? Gravity and inertia
2. What two factors affect the gravitational force between
two objects? Mass and distance
Motions:
3. Why do the planets revolve around the Sun?
The gravitational pull is greater because the sun is larger
4. Why does the moon revolve or orbit Earth instead of the
Sun? Because it is closer to Earth
Space Rocks:
1. Label the Diagram.
1. What are comets?
Space objects that are composed of ice, rock, dust,
methane, and ammonia
2. Where do they form?
Kuiper Belt and Oort cloud
3. Why does a comets tail always point away from the Sun?
Because of solar wind from the sun
4. Name that object!
Asteroid A large chunk of rock/metal orbiting between Mars
and Jupiter
Meteoroid A piece of an asteroid that has broken off and is
moving in space
Meteor A meteoroid that is burning up in the atmosphere; a
shooting star
Meteorite A chuck of rock or metal that hits the surface of a
planet; creating a huge crater on impact