Matter
What is the name for a change when a new substance is formed?
A chemical change
What force pulls objects toward Earth?
Gravity
All living and nonliving things in a place that interact with each other is an...
Ecosystem
Barometer
When you heat a solid and it turns into a liquid, what type of change is this?
Physical Change (Melting)
If you roll a ball on a flat surface, what force is eventually going to slow it down?
Friction
What does abiotic and biotic mean? Give one example for each.
Abiotic is not living (Rock). Biotic is living (Flower).
How does the Gulf Stream affect weather patterns on the east coast of the United States?
It brings warm water north from the Gulf of Mexico
Which example most likely shows a new substance was formed? A. A substance changing shape when bent B. A substance changing color after dye was added C. A substance giving off bubbles without being heated D. A substance going from solid to liquid when heat was added
An object is moving at a speed of 12 meters/second. What will be the distance traveled by the object in 5 seconds?
60 meters
Why are decomposers important?
They break down dead animals and waste and recycle it back into the Earth.
How does a sea breeze affect the weather?
It decreases lang temperature near the ocean
Why are some materials considered to be good conductors of heat?
They can quickly transfer heat.
How do plants respond to the force of gravity?
The roots grow down into the soil.
Explain how removing one species might change an ecosystem.
Some species would grow while others decrease. Whole food webs would be disrupted.
Name all parts of the water cycle.
Evaporation, transpiration, condensation, precipitation, groundwater, run off, accumulation
Describe a classroom lab we did that tested whether mixing two substances creates a new substance.
Four carts are pushed with the same force along the same surface. A. cart with a mass of 1 kg B. cart with a mass of 2 kg C. cart with a mass of 3 kg. Which will travel the greatest distance.
Cart A
Which aquatic ecosystem experiences changes in salt concentrations as fresh and salt waters mix?
Estuary
What can cause a worse hurricane season.
La Nina