It takes the Earth ___________ to make one rotation
30 days
24 hours
365 1/4 days
24 hours
100
1. Which of the following is a producer?
sun > flower > hummingbird > hawk
2. Which of the following is a decomposer?
bird, flower, mushroom
1. flower
2. mushroom
100
1. Put the planets in order from the sun
Venus, Mercury, Earth, Mars, Jupiter, Neptune, Saturn, Uranus
2. What color is the hottest star? red, white, blue, yellow
When the Norther Hemisphere is tilted away from the sun, it experiences_____.
Winter
100
When you push a baby stroller, you are exerting_________.
gravity
friction
force
force
200
1. When the earth is facing away from the sun we have _____
2. The sun is a _______
planet
medium- size star
hot rock
1. nightime
2. medium- size planet
200
Which is NOT an example of an animal's way of protecting itself?
the stinger on a bee
the fluffy tail on a squirrel
the antlers on a deer
the fluffy tail on a squirrel
200
1. Which of the following is NOT a common characteristic of the inner planets? Rocky surface, gaseous, close to the sun
2. Which of the following planets have rings?
Neptune, Earth, Saturn
1. gaseous
2. Saturn
200
A food web shows_________.
how food chains connect and overlap
how living thigs die
the needs of an organism
how food chains connect and overlap
200
1. Which of the following does NOT lead to the extinction of animals?
*over hunting *building cities where forests stand
*animal rights laws
2. what should you do to make your friend go higher on the seesaw?
1. animal rights laws
2. push harder
300
1. The phase in the moon cycle in which it looks as if the whole moon is reflecting the sun's light.
2. A wind vane shows
1. Fulll Moon
2. wind direction
300
1. A farmer used chemicals to control weeds in a field. Some of the chemicals washed into a pond and killed all of the water plants. What most likely happened to the fish that ate the water plants?
2. Why are green plants important to animals?
1. The population (number) of tiny fish decreased
2. they provide both food and oxygen
300
1. Which material is translucent? Wood, clear glass, colored glass
2. What kind of lens buldges in the middle? concave, prism, convex
1. colored glass
2. convex
300
An owl's big eyes help it to_________.
see better at night
see better in the daytime
hear the sounds of other birds
see better at night
300
Why can we hear music when we blow on a clarinet?
* The air inside vibrates and makes sound waves
* The clarinet strtches out and inward as the air passes through it
* TThe sound comes from the person tapping their fingers on the keys
The air inside vibrates and makes sound waves
400
1. When the earth is facing away from teh sun, we have_____.
2. What instrument measures air pressure?
1. nighttime
2. barometer
400
1. If people increase their use of fresh water what will happen to the wetlands?
2. If a forest is destroyed to build an apartment building, what will likely happen to the squirrels living in the trees?
they will learn to live in the grass
they willl move to another forested area
they will all die
1. the wetland habitat will grow smaller
2. they willl move to another forested area
400
Why do we see a lit up moon, if it does not produce its own light?
The moon reflects light from the sun
400
1. Guitar strings of different thicknesses produce different _________.
volumes
decibels
pitches
pitches
400
What causes hail?
Water being evaporated from a pond
Water vapor freezing as it falls through the sky
Drops of rain freezing inside of a cloud and then falling to earth
Drops of rain freezing inside of a cloud and then falling to earth
500
1. What instrument do scientists use to study objects in space?
2. What is the name of the telescope used to view objects beyond the earth's atmosphere?
1. telescope/ space probe
2. Hubble telescope
500
Coyotes were nearly hunted to extinction in this area. Fox and rabbits are the natural prey of coyotes. What likely happened to the fox and rabbit population?
it increased
500
1. Which of the following is used to bend light? prism, flashlight, camera
1. prism
500
Waycross is further from the sun in summer than in winter. Why is it hoter in summer than in winter?
*The earth orbits the sun slower in the summer
*The earth is tilted so that there is more direct sunlight in the summer than in the winter.
* The sun is not as hot in the summer
The earth is tilted so that there is more direct sunlight in hte summer than in the winter.
500
Which is NOT a way that global warming will affect an ecosystem?
*Cold weather plants might decrease as the temperature increases
* Animals that live in the arctic climate may increase ncrease as the temperature increases
*Animals everywhere will increase