Which of these is a natural resource in Virginia?
A river
To make an electromagnet, a conductor should be coiled around...
An iron nail
Which is the best tool for measuring the temperature of lake water?
Thermometer
All of the populations of species in an area make up a -
Community
How does light travel
In a straight path
Which of these often occur as the Earth’s crust moves?
Earthquakes
An object is traveling north at a speed of 12 kilometers per hour. Which characteristic of the object is being described?
Motion
If I want to find out how long water bottle is, what will I use to measure?
Centimeter ruler
Which of these organisms has cells with cell walls?
A bluebird, a pine tree, a lady bug, a fox squirrel
A pine tree
True or False: Sound can be produced in a vacuum
FALSE
Pumice is formed when lava from a volcano cools. Which rock type is pumice?
Igneous rock
A student wants to compare the masses and volumes of three marbles. Which two instruments should be used?
Balance and graduated cylinder
Inference
Sonar helps people find which information about an object
Location
What does we call light when it hits and object and bounces off?
Reflected light
Which layer of Earth is the thinnest?
Crust
What is an example of human activities in a forest that has a positive effect on the ecosystem?
Accepted answer - planting new trees where old ones were cut down
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 -
Water
What do all food webs start with?
Phytoplankton
What has to be present for sound to be produced?
Air and vibrations
The surface of the Moon is made up of -
craters, highlands, and flat areas
If two students push a desk, and it moves, are the forces balanced or unbalanced?
Unbalanced
Ask a question/find a problem
What do you call an animal that is being hunted
Prey
What are three terms used to indicate the amount of light that passes through an object