Earth
Matter
Solar System
Energy
Forces and Motion
100
How many parts of Earth are there?
3 (technically 4)
100
Give an example of matter.
Any solid, liquid or gas.
100
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Which planet is known as the red planet?
Mars
100
To do something or make a change, you need...
energy
100
What can force do?
Cause a change in direction or speed
200
What does Earth have that organisms (living things) need to survive?
Food, water, oxygen, etc.
200
What is the smallest part of matter?
Atom
200
What is the sun?
A star in the center of our solar system
200
What does gravitational energy do?
Pulls things down towards Earth.
200
Give an example of an unbalanced force.
Student examples
300
How many continents and oceans are on Earth?
7 continents and 5 oceans
300
How can you change matter into different forms?
Melt, boil, evaporate, etc.
Add or remove heat
300
How do planets move?
Revolve or rotate
300
What can solar energy be transformed into? (2+ things)?
Electricity, thermal (heat), light
300
What does the D, S and T mean in the triangle?
Distance, time, speed
400
What is the purpose of Earth Day?
Raise awareness about environmental problems, nature, protect the Earth, etc.
400
What document explains the elements on Earth and their characteristics?
Periodic Table of Elements
400
Why do astronauts and objects float in space?
There is less gravity in space.
400
Describe 3+ forms of energy in the photo.
Sun: light, heat, radiant, solar, electricity
People: kinetic, sound, chemical
400
Who discovered gravity and created the Laws of Motion?
Isaac Newton
500
What are the 4 primary spheres of Earth?
Biosphere, atmosphere, geosphere, hydrosphere
500
Contrast the molecules for solids, liquids and gasses.
Solids: vibrate and have almost no space (definite shape and volume)
Liquids: move a little and have a little space (definite volume and indefinite shape)
Gas: moves a lot and has lots of space (indefinite volume and shape)
500
Name the planets in order, starting from closet to the sun. 
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
*Pluto
500
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Complete the sentence:
Energy cannot be ______ or _______. It can only be ________ or _________.
Complete the sentence:
Energy cannot be created or destroyed. It can only be transformed or transferred.
500
Who has more force? How do you know?
The person on the right has more force because the arrow with the biggest number is pointing in the direction he is pushing.