Planets
Solar System
Ecosystems
Force and Motion
Light and Sound
100
This is the number of planets in our solar system
What is 8
100
It takes the Earth 24 hours to do this
What is rotate
100
Plants produce these two things from photosynethesis
What is sugar and oxygen
100
A push or pull that causes motion to change
What is a force
100
Light travels in this way
What is a straight line
200
The planet closest to the sun
What is Mercury
200
Earth's revolution takes this long
What is 365 days?
200
Decomposers have two jobs. They break down dead organisms for energy and...
Return nutrients to the soil
200
Write the formula to calculate speed
Distance divided by time equals speed
200
Sound is made of these
What are vibrations
300
A former planet, now known as a dwarf planet
What is pluto
300
These are metallic rocks that orbit the sun but are too small to be called planets
What are asteroids
300
Consumers that eat only other animals are called this
What are carnivores
300
This force is causes objects to slow down due to rubbing
What is friction
300
Describe one way to make a pitch lower
Decrease vibrations, make the object longer, larger, etc.
400
This is the force that causes planets to orbit the sun
What is gravity
400
These often look like shooting stars as they enter Earth's atmosphere
What are meteors
400
Every food web begins with this
What is a producer
400
In order to increase speed, what should you do to the mass of an object?
What is decrease the mass
400
Grass reflects this color of light
What is green
500
This is found between Mars and Jupiter
What is the asteroid belt (asteroids)
500
Describe a comet
Comets are made of rock and ice and have tails (ice melting as they get closer to the sun)
500
Cleaner fish attach themselves to blue whales. The cleaner fish eat parasites and other organisms off the whale. What type of symbiotic relationships is?
What is mutualism
500
Which of the following objects experiences the most gravitational force? a. Penny b. Dog c. School Bus d. They all experience the same amount of force
D - Gravity pushes down on all objects equally!
500
Where does light travel the fastest? Where does sound travel the fastest?
Light travels fastest through air (vacuum for bonus points!) Sound travels fastest through a solid