Show:
Ecosystems
Matter
Energy
Space
Earth
100
In photosynthesis, what do plants use to make food?
Sunlight
100
Which is composed of matter? A. Electricity B. An atom C. Light D. Heat
An atom. This is the smallest unit of matter.
100
How do sounds and light travel?
In waves
100
Why does the moon have different phases?
The moon's position changes in relation to the sun and earth (it rotates and revolves)
100
Name all four layers of the Earth beginning with the center.
Inner core Outer core Mantle Crust
200
What are the differences between decomposers, producers and consumers?
Decomposers: Animals that live in the soil that break down the soil into simple nutrients. WORMS!! Producers: an organism that makes its own food; an organism that does not consume other plants or animals. PLANTS!!! Consumers: an organism that eats other living things to get energy; an organism that does not produce its own food. HUMANS!!
200
What are the names of the three subatomic particles that make up an atom? BONUS: What are each of their charges?
Proton- Positive Electron - Negative Neutron - Neutral (no charge)
200
What is the relationship between eyesight and light?
Light reflects off an object and then enters the eye, allowing people to see the object.
200
Name the eight planets IN ORDER.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
200
What is the difference between rotation and revolution when it comes to the Earth?
The Earth rotates on its' axis. The Earth revolves around the sun.
300
A plant begins to bend when a tall building is near it. Why do you think this would happen?
It is growing toward the light source.
300
How are the atoms in an object affected when the temperature of the object increases? How are the atoms in an object affected when the temperature of the object decreases?
They vibrate faster. They vibrate slower.
300
What is the relationship between the electromagnetic spectrum and sight?
Visible light is the part of the electromagnetic spectrum that can be seen with the eye
300
What factor makes Earth different from all the other planets in the solar system in its ability to support life?
The Earth has a breathable atmosphere.
300
Why does the Earth have seasons?
Because the tilt of Earth on its axis as it moves around the sun.
400
What is the difference between a food web and a food chain?
Food web: a model that shows many different feeding relationships among living things Food chain: a model that shows one set of feeding relationships among living things
400
What does sound travel the fastest through? (solid, liquid or gas AND WHY?)
Sound travels slower in air because of the increased distance between air particles SO sound travels faster in solids because of the decreased distance between air particles
400
How long does it take the Earth to complete 1 rotation? 1 revolution?
1 rotation = 24 hours 1 revolution = 365 days (1 year)
400
Which causes the movement of tectonic plates?
Convection occurring beneath the Earth's crust.
500
Which part of a plant helps make food from sunlight?
LEAF
500
What happens to the physical state of water when it freezes?
It expands.
500
Fernando made a cup of tea and stirred it with a spoon. The spoon became warm. How was the heat from the tea transferred to the spoon?
****Conduction: to allow heat or electricity to pass through easily Convection: the transfer of heat through a fluid
500
Which season receives the most hours of sunlight in the Northern Hemisphere?
SUMMER!
500
Name the two types of crust. Which one is more dense?
Oceanic and continental. Oceanic is more dense, it sinks.