Space
What force keeps the planets in orbit around the sun?
gravity
What kind of path does light travel in?
A straight line.
What does sound need to travel?
A medium (solid, liquid, or gas)
Fill in the blanks:
An object in motion wants to ___________ and an object at rest wants to ___________.
stay in motion
stay at rest
What do we call an organism that eats things for its energy?
A consumer
How many stars are in our solar system?
One.
What do we call animals that eat both meat and plants?
Omnivores
Which planet is known as The Red Planet?
Mars
What is formed when light hits an object it cannot pass through?
A shadow.
Which travels faster: light or sound?
Light
Friction
What is the original source of energy for all the living things on earth?
The Sun.
How do we describe and object that allows no light to pass through it?
Opaque
What do we call it when light bounces off a surface?
Reflection
What causes day and night on Earth?
The earth's rotation.
What causes an apple to look red?
It reflects red light and absorbs other colors.
What do we call it when sound reflects?
An echo.
What determines how much force it takes to move an object?
It's mass.
What do we call the process through which plants make their own food?
Photosynthesis
What is the name of the Earth's natural satellite?
The moon.
How long does it take the earth to rotate once?
24 hours
What is the largest planet in our solar system?
Jupiter
Which would feel warmer on a sunny day, a white roof or a black roof?
A black roof.
Does sound move in a straight line?
No. It moves in all directions at once.
I am pushing a box across the floor to the left. You are pushing it to the right. We are pushing it with equal force. What will happen?
The box will not move.
What is always the first type of organism in every food chain?
A producer (a plant)
What space object could we compare to a dirty snowball?
A comet.
Are non-living things part of an ecosystem?
YES! (water, air, sunlight, soil)
What is a meteoroid called after it enters Earth’s atmosphere and burns up?
A meteor
What do we call it when light changes direction as it moves through a new material?
Refraction.
Through which state of matter does sound move the slowest?
Gas (like air)
What unit of measure do we use to measure force?
Newtons
What do the arrows in a food chain represent?
The flow of energy through a the food chain/ecosystem.
What do we call the specific day of the year that has the most sunlight?
The Summer Solstice
What do we call the plant sugar that producers make during photosynthesis?
Glucose
What would happen if there were no gravity in the solar system?
Planets and moons would move away into space.
Luminescent
What measurement of sound would we increase to raise the pitch of a sound?
The frequency.
It will speed up.
What type of symbiotic relationship do two organisms have when one benefits from the relationship but the other is unaffected.
Commensalism
There are two days per year that we experience an equal length of daytime and nighttime. What do we call these two days?
Equinoxes
The earth's orbit around the sun is one of the reasons we experience the seasons. What is the other reason?
The tilt of the Earth's Axis