What would you see as a natural resource of Virginia if you had to choose between a dam, glacier, river, and power plant?
What is a RIVER.
100
A student designed an investigation to test the effect of light color on plant growth. What was the manipulated (independent) variable in the investigation?
What is the COLOR OF THE LIGHT BULB.
100
To make an electromagnet, a conductor should be coiled around —
What is AN IRON NAIL.
100
The great horned owl has a sharp beak and claws used for catching prey an tearing meat. It has good eyesight to see in low light. What conclusion can be made to describe the niche of the great horned owl?
What is THE OWL HUNTS SMALL ANIMALS AT NIGHT.
100
Sonar helps people find which information about an object?
What is LOCATION.
200
A scientist found a fossil of an organism that had gills. When the organism was living, the area in which it lived was most likely covered by —
What is WATER.
200
A student wants to compare the masses and volumes of three marbles. Which two instruments should be used?
What are the BALANCE AND GRADUATED CYLINDER.
200
Early scientists most likely saw a discharge of electricity for the first time when observing a —
What is LIGHTENING STORM.
200
What would a dormant tree branch look like?
What is A BRANCK WITHOUT LEAVES. (BARE)
200
Which energy transformation most likely occurs in a steam iron?
What is ELECTRICAL ENERGY CHANGES TO HEAT ENERGY.
300
What often occur as the Earth’s crustal plates move?
What is EARTHQUAKES.
300
Which is the best tool for measuring the temperature of lake water?
What is a THERMOMETER.
300
When observing the athletes about to start the race, what kind of energy are they using before the start gun is fired?
What is POTENTIAL ENERGY.
THEY HAVE A POTENTIAL TO START MOVING.
300
What is the function of a leaf?
What is CONVERTING (CHANGING) SOLAR (SUN) ENERGY INTO SUGAR.
300
Which energy transformation most likely occurs in a steam iron?
What is THE WINDSHIELD; WINDOWS.
400
Pumice is formed when lava from a volcano cools. Which rock type is pumice?
What is IGNEOUS ROCK.
400
The difference between qualitative and quantitative observation is -
What is QUALITATIVE USES YOUR SENSES AND QUANTITATIVE USES NUMBERS
400
What could you be viewing an object partially through to observe the refraction of light?
What is VIEWING AN OBJECT PARTIALLY IN WATER.
400
What can lumberjacks do to have a positive effect on the ecosystem.
What is PLANTING NEW TREES WHERE OLD ONES WERE CUT DOWN.
400
All of the populations of species in an area make up a —
What is A COMMUNITY.
500
The gravitational pull on the moon causes -
What are TIDES TO RISE AND FALL (HIGH TIDES AND LOW TIDES).
500
In a demonstration you have a beaker with vinegar in it and a balloon with baking soda in it. You place the balloon opening of the beaker and pour the baking soda in the beaker. What will most likely happen to the balloon as the chemicals react.
What is TEH BALLOON WILL INFLATE.
500
Gallium is a metal that melts at about 30°C. If a person, whose body temperature is 37°C, held a cube of gallium for five minutes, what will most likely happen to the gallium?
What is IT WILL CHANGE TO LIQUID.
500
What is the definition of -
1. vertebrates
2. invertebrates
What is
1. An organism with an inner skeletal structure
2. An organism without an inner skeletal structure.
500
What is a difference between tadpoles and adult frogs?
What is
1. ONLY FROGS CAN SURVIVE ON LAND.
2. TADPOLES COME FROM EGGS AND FROGS LAY EGGS