Astronomy
What is day and night?
Examples of opaque objects.
What are student desks and Social Studies workbook?
Which force pulls you down a playground slide?
What is gravity?
The major source of energy on the earth.
What is the sun?
A form of energy made by the vibration of matter.
What is sound?
The force that holds the sun, the planets, the moons, and the asteroids together.
What is gravity?
Light is _______________ until it strikes an object.
What is invisible?
A push or pull
What is force?
The process by which green plants make their own food by using energy from the sun.
What is photosynthesis?
The number of vibrations per second of a sound wave
What is frequency?
The three major parts of our solar system.
What are the sun, the planets and the moons?
A light bulb is an example of __________________ produced light.
What is electrical?
A force that works against motion
What is friction?
An organism that eats both plants and animals
What is an Omnivore?
The back and forth movement of matter
What is Vibration?
An imaginary line that the Earth rotates on, which causes day and night.
What is Earth's axis?
Light usually travels in a ________________ line until it hits an object.
What is straight?
Distance divided by time =
What is speed?
A living organism that is hunted for food.
What is prey?
This type of material is known for reflecting sound.
What is hard and smooth objects? (desk, brick wall)
This is what comets are mostly made of.
What are dust particles and frozen water.
The bending of light when it goes from one substance to another.
What is Refraction?
The greater the force acting on an object...
What is the greater the change in motion?
A relationship between two different kinds organisms over time.
What is Symbiosis?
This type of material is known for absorbing sound.
What is soft and bumpy material (cloth, bushes, bean bag, pillow)