Science Review

Solar System

Question: What kind of planet is Earth and how many of these same types of planets in our solar system in all?
Answer: Rocky planet. There are four of these planets.

Question: How many moons does Earth have?
Answer: One moon.

Question: How many layers does Earth have. Bonus: what are the named in order?
Answer: Four layers. Crust,Mantle,Core/outer core,Inner core.

Question: Name all the planets in our solar system in order.
Answer: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune  

Question: What causes Earth’s seasons?
Answer: Earth’s tilt on its axis.


Question: True or False: light moves in all directions from the source.
Answer: True.

Question: True or False: black reflects light. Bonus for double the points: if it does reflect light what light does it reflect?
Answer: False. It doesn’t reflect any light in fact it absorbs all light!

Question: How do you see colors off of objects?
Answer: The object absorbs all light but reflects the color you see.

Question: What’s faster light or sound?
Answer: Light.

Question: What kind of atmosphere does light travel through.
Answer: All atmospheres.


Question: What makes an ecosystem?
Answer: All the organisms in one place living together.

Question: What is a population?
Answer: A group of organisms of the same kind of animal in an ecosystem.

Question: What is a community?
Answer: A community consists of all the population that live and interact with each other in an area.

Question: What is a niche?
Answer: An organisms complete role.

Question: What does biotic mean and what does abiotic mean? Bonus: name somethings in or around the classroom that are biotic. If you name 1 you get +100, 2 +200, and so on.
Answer: Living organisms is biotic and abiotic is nonliving organisms. Classmates, trees, teacher, grass, etc; 


Question: What form does sound travel in?
Answer: It travels in waves.

Question: What causes echoes
Answer: The bouncing of sound off of other objects

Question: What is frequency?
Answer: Frequency is the number of vibrations that occur during a unit of time.

Question: Does sound move faster through air water or solids
Answer: Solids

Question: Can you here sound in space. BONUS:if you cant how can you hear it without a space suit.     
Answer: No.BONUS you would have to put your ear to the planet then you would be able to hear.


Question: True or False: the stronger the force on an object the slower the object will go.
Answer: False

Question: Why do objects fall.  Whether a force has acted on them or not?
Answer: Because gravity is always acting and is always trying to pull something down.

Question: Why the lighter of the mass the faster the object goes
Answer: Because the weight of the object pushes down and gravity forces pull stronger on the object of the and speed decreases 

Question: True or False: force is measured in Newtons (N)
Answer: True.

Question: What does an objects acceleration depend on?
Answer: It depends on the mass and force applied to an object.