Weather
Forces and Motion
Minerals, Rocks and Fossils
Earth's Resources
Miscellaneous
100
The __________ is the air that surrounds Earth.
atmosphere
100
_____________ is when an object changes position.
Motion
100
A _________ is something that has lasted from living things that died long ago.
fossil
100
What is a material found in nature that is used by living things?
Natural resource
100
A force is a ____________ or a ___________.
Push or pull
200
Name two of the five layers of the atmosphere
troposphere, stratosphere, mesosphere, thermosphere, exosphere
200
Finish the statement:
An object in motion will remain in motion unless ______________________________________ .
acted upon by an outside or unbalanced force
200
Fossils often form in what type of rock?
igneous, sedimentary, or metamorphic
Sedimentary
200
When you ___________, you reuse a resource to make something new.
recycle
200
After a caterpillar hatches, what does it do?
Eat its shell, and then finds leaves to eat and eat and eat.
300
What forms when static electricity is released into the atmosphere during a storm?
Lightning
300
A soccer layer kicks the ball across the field where it rolls and eventually stops. If no one stops the ball, what made it stop?
Friction
300
A paleontologist discovers a dinosaur fossil. The dinosaur had sharp, long teeth. What did this dinosaur most likely eat?
Meat (i.e. other animals)
300
A ____________ resource is a resource that will never run out.
Renewable
300
Why does a sequoia tree need fire?
To release its seeds so that they fall to the ground and start new trees.
400
The water that falls to Earth as rain, snow, sleet or hail is called what?
Precipitation
400
John throws a ball into the air. It goes up then falls back down. What makes it fall?
Gravity
400
Rock that forms from layers of sediment is called ________________ .
sedimentary rock
400
A ____________ resource can not be replenished because it takes millions of years to make, such as oil and coal.
nonrenewable
400
Between which two days was there a decrease in cookie sales?
Wednesday and Thursday
500
At what point does water freeze?
32 degrees Fahrenheit
500
Explain Newton's second law of motion concerning an object with a greater mass.
An object with greater mass will take more force to move it.
500
The _________ is the iron layer at the center of the Earth.
Core
500
Give an example of something that you can make from a natural resource.
From trees - paper, furniture, houses
From sand - glass
From wind - electricity
500
How many hemispheres are there?
4