Water
Space
Mixtures and Matter
Animal Adaptations
Fourth Grade
How Scientists Work
100
This is an area of land that drains into a body of water.
What is a watershed?
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
Which of these is a structural adaptation? a. hibernation b. migration c. hiding from a predator d. feathers
What is (d) feathers?
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
This is the continual circulation of the Earth's water supply more commonly known as the water cycle...
What is the hydrologic cycle?
200
Scientists estimate the Earth to about this age.
What is 4.5 billion years old?
200
In a solution, the substance being dissolved is called the __________.
What is solute?
200
Which of these is a behavioral adaptation? A. having wings B. having feathers C. migrating D. All of these
C. migrating
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
Which of these is point source pollution?
A. cars leaking oil onto a parking lot
B. animal waste in a park
C. An oil tanker leaking oil in the Gulf of Mexico
D. All of these
C. - An oil tanker leaking oil into the Gulf of Mexico YOU CAN IDENTIFY THE DIRECT SOURCE AND ITS WIDE SPREAD.
300
This is the nearest star to Earth.
What is the sun?
300
If it's matter, and it's not a mixture then it is a _______ ______________.
What is a pure substance?
300
This is the term that describes the way that species of animals and plants become better at living in their habitat (essential for survival). It usually occurs over long periods of time.
What is adaptation (or evolution)?
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
This is an area of rock underneath the surface of the Earth which absorbs and holds water. If a person taps into one, they can create a well and get drinking water.
(HINT: We made an edible one.)
What is an aquifer?
400
This is the main reason the Earth experiences seasons.
What is the Earth's tilt?
400
If left to rest, this type of heterogeneous mixture will "settle out" or separate.
What is a suspension?
400
This is the structure in some animals' eyes that reflects light back through the retina (sometimes making the eyes glow green or yellow at night when light shines on them).
What is the tapetum?
Double the points if you got this correct!
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
An area of higher ground separating adjacent watersheds.
What is a "ridgeline" or "divide"?
500
What year did the first man walk on the moon and who was he?
1969; Armstrong
500
These are the four most common states of matter in the universe.
What are solid, liquid, gas and plasma?
500
This physical adaptation in humans and primates allows them to grasp objects.
What are opposable thumbs?
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?