The Metric System
Astronomy
Mixtures and Matter
The Moon
Fourth Grade
How Scientists Work
100
This is the base unit for measuring distance and length
What is a meter?
100
This causes the apparent movement of the sun across the sky during the day on Earth.
What is the ROTATION of Earth on its axis?
100
Everything in the universe is either energy or_________.
What is matter?
100
This was the first man on the moon and the year he did it.
What is Neil Armstrong in 1969?
100
This is the name for the pathway in which an electric current can flow. (The picture illustrates one.)
What is a closed circuit?
100
This is the method many scientists use when trying to solve a scientific problem.
What is the scientific method?
200
You would use this unit to measure the distance from your house to the school.
What is a kilometer?
200
Scientists estimate the Earth to about this age.
What is 4.5 billion years old?
200
In an atom, this is the smallest subatomic particle.
What is an electron?
200
The craters on the moon were most likely caused by...
What are asteroids and ancient lava flows? (Either one or both of these answers are acceptable.)
200
This is how many centimeters are in 4 and 1/2 meters.
What is 450 centimeters?
200
This lab tool a 3rd-8th grader at Pegasus will use to measure mass in science.
What is a triple beam balance or metric scale?
300
This is the temperature at which water freezes and boils.
What is it freezes at O degrees C and boils at 100 degrees C?
300
This is the nearest star to Earth.
What is the sun?
300
This is the center of an atom.
What is a nucleus?
300
This is about how far away the moon is from the Earth.
What is: about 30 Earths lined up or between 360,000 - 400,000 km.
300
The type of energy stored in batteries.
What are potential energy and chemical energy?
Either of these is correct. If you said both we'll double the points.
300
This is the only system of measurement that scientists worldwide use and is abbreviated SI.
What is the Metric System?
400
We use this tool to measure tiny masses in our lab.
What is a digital scale or triple beam balance?
400
This is the main reason the Earth experiences seasons.
What is the Earth's tilt as it revolves around the sun - thus different parts of the Earth get more or less direct sunlight?
400
This is the science that studies the composition and structure of matter and the changes that occur in matter.
What is chemistry?
400
This is why the moon has more craters than the Earth.
What is because the Earth has a protective atmosphere so many of the asteroids get burnt up before they are able to hit the Earth?
400
Seed shape (R) Round is dominant (r) Wrinkled is recessive Given an RR parent and rr parent, this is the percent chance that the offspring has in being wrinkled:
What is zero percent? The R will dominate every time in the Rr cross.
400
When measuring liquids in a glass graduated cylinder, a scientist must be sure to look at the bottom of the...
What is the meniscus?
500
This tool is the best choice to use when measuring the volume of liquids 250mL or less.
What is a graduated cylinder?
500
These are the 3 criteria needed in order for a celestial body to be considered a planet.
What are:
it must orbit the sun, it must have a rougly circular or oval shaped orbit, and it must be able to "clear its neighborhood"?
500
These are the four most common states of matter in the universe.
What are solid, liquid, gas and plasma?
500
This is how the moon moves.
The moon is in synchronous rotation with the Earth (one side always faced the Earth)?
The moon has the same rotation as its revolution.
500
This is how many chromosomes a normal person receives from each parent.
What is 23 chromosomes?
500
During this phase of the scientific method, the scientist will state what he/she thinks the outcome of the experiment will be. It is a statement -not a question.
What is the hypothesis?