Force, Motion, and Energy
True of false:
1. Energy can be created.
2. Energy can be destroyed.
3. Energy can be transformed.
1. False
2. False
3. True
wavelength
The birds, grass, trees, deer, and humans in an area make up the ________________.
community
Which type of rock is formed from intense heat and pressure?
metamorphic
In a food web, the arrows points to the organism that ___________________.
is eating / getting energy
What is: a force that acts on something and moves it?
Work
Light bending and splitting is called _______________.
refraction
What is a niche?
an organism's role in the ecosystem
What is a possible effect of a divergent plate boundary (tectonic plates pulling apart)?
volcanoes, islands, mountains
Materials that allow electricity to pass easily through in a circuit are called _____________.
conductors
There is a solar panel that is powering a charger for an electric car. What energy transformations are taking place here? (3 energy types)
light/radiant --> electrical --> mechanical
Draw and label an electromagnet. What two ways would make an electromagnet stronger?
more wire coils and more batteries
What is something that both plants and animals must do for their species to survive?
reproduce
Which two layers of the Earth are made of metals? Which one is a solid?
inner core and outer core (inner core is solid)
When a gas turns into a liquid, heat is ____________. This is called the process of _______________.
decreasing / condensation
Motion is a combination of _____________ and ______________.
speed and direction
Sound waves are called ________________ waves.
compression
What is the reason that plants do photosynthesis?
To make their own food
The barometer is showing that there is high pressure in the area and there are cumulus clouds in the sky, what kind of weather will there be?
fair weather
What is one thing that tornados and hurricanes have in common? What is one way that they are different?
Same - large storms with wind and rain
Different - hurricanes form over the ocean, tornados on land
You are trying to push a ball up a hill. An increase in _____________ of the surface of the hill and an increase in ______________ of the ball will make it more difficult to push.
friction / mass
Which color of the visible spectrum has the highest frequency and shortest wavelength?
purple/violet
Owls are awake at night to stay safe and to hunt for prey. Is this a structural or behavioral adaptation?
behavioral
What word describes an area's average weather over a long period of time?
climate
How is coal formed? What type of resource is it and why?
decaying plants millions of years ago, nonrenewable because it takes millions of years to form