Force & Motion
Matter
The Universe
Ecosystems
Earth Science
100
Calculate the speed of an object traveling 15 meters in 30 seconds?
0.5 m/sec
100
What is volume?
the amount of space, measured in cubic units, that an object or substance occupies.
100
What causes the seasons on Earth?
the tilt of the Earth on its axis
100
What is a decomposer?
organism that breaks down other organisms into simpler substances
100
What is the difference between weather and climate?
Weather is the day to day conditions of the atmosphere. Climate is prevailing weather conditions of a region throughout the year averaged over several years.
200
When forces are balanced explain the motion of an object.
The motion of the object remains unchanged. Objects at rest remain at rest, and objects in motion remain in motion.
200

What is matter?

Matter is anything that has mass and takes up space (or has volume).

200

The third planet from the sun

What is Earth?

200
What special adaptation, besides feathers, allows birds to fly?
hollow bones
200
What happens to the temperature as the altitude increases?
the temperature decreases
300

Name of the scientist that conceptualized gravity

Who is Isaac Newton?

300

One thing that is not considered matter

Sound or light 

300

When the entire moon can be seen from Earth?

Full moon

300
Given the following food chain: grass, grasshopper, robin, and hawk. What would happen if the robins all suddenly died from a disease?
Hawk population would decrease and the grasshopper population would increase causing the grass to decrease. Eventually, the grasshoppers would die off after eating all of the grass.
300
Name two renewable resources?
geothermal, hydroelectric, solar, wind
400
The force pulls objects to the center of the Earth

What is gravity?

400
Matter is made up of ____________

What are atoms or molecules?

400

The approximate length of time it takes for the Earth to revolve around the sun

A year 

400
What is an adaptation of mammals living in an extremely cold climate?
hollow hair provides insulation
400
Where do volcanoes usually occur?
at plate boundaries
500

A machine makes work easier by changing at least one of three factors. Name the three factors.

changing the force, changing the direction, changing the distance

500

A substance with a pH lower than 7

What is an acid?

500

The approximate length of time it takes for the moon to revolve around the Earth

One month

500
Name three environmentally harmful activities of humans?
water pollutation, air pollution, deforestation, overpopulation,
500
What kind of plate boundary results in the formation of a trench?
converging plate boundary
M
e
n
u