Science: Chapter 7 Question Preview (ID: 43677)


Chapter 7 Review: Lessons 1-4. TEACHERS: click here for quick copy question ID numbers.

Which solar system object is the largest?
a) the Sun
b) Jupiter
c) Saturn
d) Mercury

Which planet is the smallest?
a) Mercury
b) Mars
c) Earth
d) Venus

Which best describes the asteroid belt?
a) millions of small rocky objects
b) another name of the Oort cloud
c) the region where comets originate
d) large chunks of gas, dust, and ice

Which describes a planet's speed as it orbits the Sun?
a) It increased then decreases
b) it constantly decreases
c) it constantly increases
d) it does not change

Which describes the greenhouse effect?
a) energy trapped by atmosphere
b) effect of gravity on temperature
c) energy emitted by the Sun
d) reflection of light from a planet

How are the terrestrial planets similar?
a) similar rocky surfaces
b) similar densities
c) similar diameters
d) similar periods of rotation

Which inner plannet is te hottest
a) Venus
b) Earth
c) Mars
d) Mercury

How does Earth differ from other inner planets?
a) its surface is covered by large amounts of liquid water
b) its atmosphere contains large amounts of methane
c) its period of revolution is much greater
d) its surface temperature is higher

Which two gases make up most of the outer planets?
a) hydrogen and helium
b) ammonia and helium
c) helium and methane
d) methane and hydrogen

Which is true of the dwarf planets?
a) spherically shaped
b) more massive than nearby objects
c) never have moons
d) orbit near the moon

Which is a bright streak of light in Earth's atmosphere?
a) meteor
b) meteroite
c) meteroid
d) comet

Which best describes an asteroid?
a) rocky
b) icy
c) wet
d) round

An astronomical unit is defined by
a) the distance Earth is from the Sun
b) the distance Mercury is from the Sun
c) 100 million kilometers
d) 150 million kilometers

a small, rocky particle that moves through space
a) meteroid
b) meteorite
c) meteor
d) impact crater

a meteroid that strikes a planet or moon
a) meteorite
b) meteroid
c) meteor
d) impact crater

a round depression formed on the surface of a planet, moon, or other space object
a) impact crater
b) meteor
c) meteorid
d) meteorite

The four largest moons of Jupiter- Io, Europa, Ganymede, and Callisto are known as
a) Galilean moons
b) Gas Giants
c) Dwarf moons
d) Astronomical Units

This occurs when a planet's atmosphere traps solar energy and causes the surface temperature to increase
a) greenhouse effect
b) greenhouse gases
c) water vapor
d) terrestrial planet

planets closest to the Sun, made of rock and metal, and have solid outer layers
a) terrestrial planets
b) gas giants
c) galilean moons
d) dwarf planets

the time it takes an object to travel once around the Sun
a) period of revolution
b) period of rotation
c) revolution
d) rotation

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 43677 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In
| Sign Up / Register