Column 1
What is force
A push or a pull
What is natural selection?
The gradual change of a species over time as it adapts to its environment
Fossils found in deeper rock layers are usually.....
Older than fossils found near the surface
A solar eclipse happens when ....
the Moon moves between Earth and the Sun
What is the state capital of California?
Sacramento
What is inertia?
The law that states, objects will keep doing what they are already doing!
A moving electric charge generates...
a magnetic field
Farmers breed cows that produce more milk. Over many generations, the cows in the herd produce more milk than before.
This is an example of ......
artificial selection
A population of insects lives in an area with dark-colored tree bark. Dark-colored insects are harder for birds to see.
Over time, what will most likely happen?
More dark-colored insects will survive and reproduce.
Who was the 44th president?
Barack Hussein Obama
How old is the Earth?
4.6 Billion Years old!
The two types of waves (not light/sound!)
Transverse and longitudinal
A student rolls a toy car across the carpet and then across the tile. The car travels farther on the tile.
Explain why. I'm looking for a particular word too.
Carpet creates more friction, causing the car to slow down faster.
A student wants to test how the amount of sunlight affects plant growth.
What is the independent variable?
the amount of sunlight
What is the capital of the US?
Washington, DC
Gravity!
A ball is held at the top of a hill. When the ball is released, it rolls down the hill and speeds up.
Which energy change is taking place?
Potential energy changes into kinetic energy.
Sound travels best through solids because ....
particles are closer together in solids
Why does a dropped pencil fall to the ground?
Carbon dioxide + energy + water = glucose/sugar + Oxygen
What was the 14th amendment?
thereby granting citizenship to formerly enslaved people
A student shines a flashlight at a mirror. The light bounces off the mirror and travels in a new direction.
This is an example of .....
reflection
The Moon appears to change shape during the month because ......
different amounts of the sunlit side of the Moon are visible from Earth
Earth has seasons because
Earth’s axis is tilted as it revolves around the Sun
Uranium has how many protons?
How many territories does the US have?