Show:
The Planets
Ecosystems
Force
Solar System
Light/ Sound
100
The planets in order from the Sun
What is Mercury,Venus,Earth,Mars, Jupiter, Saturn, Uranus, Neptune
100

What is the main source of energy for all ecosystems? 

The Sun

100
Force that causes a change in motion.
What is an unbalanced force?
100
The star closest to our planet.
What is the Sun?
100
Light bouncing off an object.
What is reflection?
200
These are found between mars and Jupiter
What are asteroids?
200
An organism that makes it's own food.
What is a producer?
200
A push or a pull that changes the motion of an object.
What is a force?
200
The path one object takes around another object in space.
What is an orbit?
200
Light bending
What is refraction?
300

What are the inner and outer planets made up of? 2 things each

Inner: rocks and metals

Outer: gas and ice

300
A network of overlapping food chains in an ecosystem.
What is a food web?
300
The measure of distance an object moves in a given time.
What is speed?
300
One of these takes about 365 days.
What is Earth's revolution around the Sun?
300

What kind of instrument makes a high pitch sound vs a low pitched sound? 

A smaller instrument makes a higher pitched sound.

400

What are 2 differences between the inner and outer planets

Answers may vary

400

What happens if one organism leaves a ecosystem or dies out? 

Everything else will slow decrease and the ecosystem will become out of balance

400
A force that opposes motion and acts between 2 objects that are touching.
What is friction?
400
the Earth does this in a 24 hour period.
What is rotate on it's axis?
400

What does a prism do? 

Refracts white light into individual wavelengths. 

500

What happens to the revolution period as you move further away from the sun? 

The year gets longer as you move out 

500

Make a food web with at least 5 organisms: have a producer, consumer and decomposer. 

Answers vary

500

Name Newton's 3 Laws

1st: Inertia

2nd: Acceleration depends on mass and force

3rd: Every action has an equal and opposite reaction

500

What is different about the sun than Polaris? 

The sun is the only star in our solar system, sun is closer 

500

A cave allows sound to __________ off the walls creating a echo. 

Reflect