Energy, Force, and Motion
If you use MORE force to push a ball, the ball will roll ______________ (farther, not far).
farther
Which type of rock is formed from rapidly cooling lava?
igneous
Which part of the plant is responsible for making food for the plant? And what is this process called?
leaf, photosynthesis
What is all matter made of?
atoms
In order for a lightbulb to turn on in a simple circuit, the circuit must be ____________.
closed
Surfaces that have the ______________ (most / least) friction will allow a car to roll farther.
least
Which type of pressure system is associated with thunderstorms and other lousy weather?
low pressure
Draw a food web with
- seaweed as a producer
- whales and dolphins eating krill
- krill eating seaweed
sun --> seaweed --> krill --> whale / dolphin
Draw a picture to show kinetic energy
examples: someone kicking a ball, running, etc.
Which of the following items would be attracted to a magnet?
a. pencil
b. glass
c. staples
C. staples
Motion is a combination of ___________ and ___________.
speed and direction
Which word means the weather of a given area averaged over years?
climate
Which word means the movement and mixing of ocean water, caused by wind and water temperature differences?
ocean currents
______________ is the ability to do work and cause change.
Energy
- balloon sticking to pepper, paper, hair
- balloon moving water, can
When you clap your hands together, what energy transformation is taking place?
mechanical --> sound/thermal
Name at least 4 things that are caused by tectonic plate movement.
- mountain ranges
- mid ocean ridges
- ocean trenches
- volcanoes
- earthquakes
Name three things that describe the deepest parts of the ocean.
high pressure, cold, dark (no light), very few organisms
What happens to the mass of water and sugar cubes once the sugar cubes have dissolved in the water?
the mass stays the same
What makes an electromagnet stop working? (no magnetism)
A dish might slip out of your hand while you're washing dishes because your soapy hands have very little ______________.
friction
Draw a model of the Earth, Moon, and Sun when the moon is in its full moon position.
The Earth should be between the sun and moon.
This is a food chain: grass --> mouse --> cat --> owl
What will happen if a group of foxes is introduced to the ecosystem and starts eating all of the cats.
- There will be more mice. (mice increase)
- The owls and cats will compete. (owls decrease)
What is the process of water vapor in the air cooling into a liquid when it comes into contact with a cold surface?
Ex. water appearing on the outside of a cool glass
condensation
What are two ways to make an electromagnet stronger?
1. add more wire coils around the nail
2. add more batteries