There are two classes of planets, _________ and ___________ planets.
- far, outer
- close, inner
- inner, outer
- newer, older
In order, the inner planets are Mercury, ____________ , __________ and Mars.
- Earth, Venus
- Saturn, Earth
- Earth, Saturn
- Venus, Earth
In order, the outer planets are ____________ , Saturn Uranus and ___________.
- Jupiter, Neptune
- Saturn, Earth
- Earth, Venus
- Earth, Saturn
The inner planets are called ________ , meaning rocky and Earth like.
- gas giants
- terrestrial
- gas terriers
- gas clouds
The outer planets are made mostly of Hydrogen and ___________ gas.
- oxygen
- calcium
- carbon dioxide
- helium
The outer planets have ___________ and ___________ .
- rings, asteroids
- moons, meteorites
- rings, moons
- meteorites, comets
A _____________ makes a streak of light in the atmosphere as it burns up.
- meteor
- meteorite
- meter
- comet
A piece of comet that now is on the ground is a ____________.
- Meteor
- Meteoroid
- Asteroid
- Meteorite
You can hold a ____________ in your hand.
- Meteor
- Meteorite
- Asteroid
- Meteoroid
A ____________ has an elliptical orbit that goes from near the sun to outside our solar system.
- moon
- meteorite
- comet
- crater
You weigh more on a planet with a _________ size made of rock.
- larger
- identical
- smaller
- half
The Moon was hit by _______________ because there are craters in the surface.
- planets
- rain
- meteoroids
- fossils
Pluto is now a ________ due to the new definitions.
- dwarf moon
- dwarf planet
- new moon
- meteorite
The further a planet is from the sun, the ________ time to revolve once.
- shorter
- longer
- same
My Very Educated Mother Just Served Us Nine Pizzas is ___________.
- kind of nuts.
- weird.
- a silly phrase.
- A way to remember the planets in order.
________ is the ability to do work or make a change.
- energy
- warm
- force
- cold
________ energy is replaced as used.
- heat
- nonrenewable
- transfer
- renewable
A ball falling in the air is an example of ____________ energy.
- potential
- kinetic
- heat
- electrical
A ball at the top of its flight in the air is an example of ____________ energy.
- electrical
- kinetic
- potential
- heat
A ball is tossed up in the air. It has the most kinetic energy at ____________ .
- the highest point in the flight
- the beginning
- on the way up
- the lowest position in the flight
A ball is tossed up in the air. It has the most potential energy at ____________ .
- the highest point in the flight
- the lowest position in the flight
- the beginning
- on the way up
Using only the energy we need is an example of energy ______________ .
- conservation
- radiation
- conversion
- law
Making electricity from a turning water wheel is an example of energy ______________ .
- radiation
- conversion
- law
- conservation
Renewable resources are _________________.
- wind, sunlight, waves and trees
- coal, natural gas, and nuclear
- wind, sunlight, nuclear and oil
- coal, natural gas, and trees
Nonrenewable resources are _________________.
- wind, sunlight, waves and trees
- coal, natural gas, and nuclear
- wind, sunlight, nuclear and oil
- coal, natural gas, and trees
The “Law of Conservation of Energy” states that energy cannot be _________ nor destroyed.
- captured
- created
- transferred
- lost
________ energy takes millions of years to replace.
- nonrenewable
- transfer
- heat
- renewable
Using hot water from rocks in the ground is a form of ________ energy.
- mass
- geothermal
- electrical
- light
________ energy stored in coal is released when it is burned.
- potential
- kinetic
- electrical
- machine
The more ________ a machine has, the faster work is done.
- work
- power
- limestone
- length