Patterns of the Universe
Ecosystems
Light
Sound
Force & Motion
100

The path the Earth follows as it revolves around the sun is called...

Orbit

100

Worms, bacteria, mushrooms, and fungi are examples of...

Decomposers

100

True or False: Light travels in a straight line until it interacts with an object. 

True

100

What is the loudness of a sound?




Volume


100

What is motion?

Moving or being moved

200

What best describes the sun when compared with most other stars?

It is average in size and temperature

200

In an ecosystem, birds depend on insects to survive. If someone spreads pesticide to control the insect population, which of the following is most likely to happen?

The bird population will decrease.

200

The bouncing of light is called...

Reflection

200

True or False: Sound cannot be heard under water

False

200

Define Force and give an example

Force is a push or a pull and is required to do work

300

One night while camping, a student observes that the moon and stars appear to move across the sky.
Why do the moon and stars appear to change position?

Earth is rotating.

300

A raccoon usually eats berries, insects, and small animals.  A sheep usually eats grass and shrubs.  A shark usually eats fish and other sea animals.  Which of these three animals is an herbivore?

Sheep

300

The bending of light is called...

Refraction

300

You stretch a rubber band and pull on one side. The rubber band makes a sound. You stretch the same rubber band even more and pull on it again. It makes a different sound. What property of sound has changed?

Pitch

300

Define Gravity and give an example

Gravity is a force of attraction that pulls down towards the center of Earth or another body in space

400

What is the relationship between the Earth, the Moon, and the Sun?

The moon orbits around Earth, and Earth orbits around the sun.

400

Food Chain:

Sun --> Tree --> Caterpillar --> Bird --> Coyote

What would happen if the trees were cut down?  

The caterpillar population would decrease

400

True or False: Light is best absorbed by smooth and shiny objects, like a mirror. 

False

400

While learning to play the violin, Mrs. Brown discovered that she could change the pitch of the sound produced. How did she do this?

By tightening or loosening the strings.

400

Define Friction and give an example

A force that resists motion

500

The gradual change in the length of your shadow throughout the day is caused by...

The rotation of Earth on its axis.

500

How does energy flow through an ecosystem?

From the Sun to plants, then to animals, and finally decomposers  

500

Light can change the temperature of an object because of...     


Absorption

500

Students observe that the sound of their voices echoes in an empty classroom. They fill the room with soft objects like coats and backpacks and notice that the sounds of their voices change.

How will the sound of their voices change if the room is filled with soft objects?

The sounds will become quieter.

500

Define magnetism and list the 4 magnetic metals

The force of attraction to a magnet. 

Magnetic Metals: Steel, Iron, Nickel, & Cobalt

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