Sun and Stars
Humans Impact on Earth
Engineering Design Process
Earth's Spheres
Random
100
Why does it appear that the Sun starts the day on one side of the sky and ends the day on the other?
A. The Sun spins.
B. The Earth spins.
C. The Sun moves around the Earth.
D. The Earth has two Suns.
B. The Earth spins.
100
What are humans doing to decrease the amount of air pollution?
A. trying to pick up litter from the ground
B. closing all factories and sources of pollution
C. forcing people to stop driving cars
D. working to cut down fumes from factories and cars
D. working to cut down fumes from factories and cars
100
Abe wants to know how many pennies fit in different sized jars.
How can he find out the answer to his question?
A. Place 20 pennies in each jar and then guess how many more is needed to fill each jar.
B. Fill the smallest jar with pennies and then put the same number in each larger jar.
C. Fill the smallest jar with pennies, the next larger jar with nickels, and the largest jar quarters.
D. Fill different sized jars with pennies, and count how many pennies are in each jar.
D. Fill different sized jars with pennies, and count how many pennies are in each jar.
100
Which of the following is included in the Earth's geosphere?
A. liquid water
B. living organisms
C. volcanoes and caves
D. clouds and storms
C. volcanoes and caves
100
Which of the following is true of the composition of all materials?
A. All materials are made up of only one part.
B. All materials are made up of large parts that can only be seen by the human eye.
C. All materials are made up of living cells.
D. All materials are made up of smaller parts that cannot be seen without magnification.
D. All materials are made up of smaller parts that cannot be seen without magnification.
200
A sundial uses the shadow created by the Sun shining on an upright shape to tell the time. At what time of day will the shadow on the sundial be the shortest?
A. around noon
B. middle of the afternoon
C. late in the evening
D. early in the morning
A. around noon
200
Cutting down the forest reduces the size of animal habitats, increases erosion, and results in an increase in the amount of carbon dioxide in the atmosphere.
In order to stop the harmful effects of cutting down trees, humans can
A. dig up the land and use it as a landfill.
B. clear away the tree trunks and leave the land bare.
C. clean up litter along the sides of the road.
D. plant more trees where forests are cut down.
D. plant more trees where forests are cut down.
200
How are prototypes used in the engineering design process?
A. Prototypes are lists of needs to be addressed.
B. Prototypes are models that can be testes for efficiency.
C. Prototypes are the final products sold to consumers.
D. Prototypes are tables of data that can be sorted and analyzed.
B. Prototypes are models that can be testes for efficiency.
200
The graphic below shows that only 3% of the Earth's water is fresh water. The graphic also shows that of this 3%, almost all of it is contained in two reservoirs.
What are the two reservoirs that contain almost all of Earth's fresh water?
A. lakes and rivers
B. marshes and swamps
C. streams and estuaries
D. glaciers and groundwater
D. glaciers and groundwater
200
During class, Janelle learned that all objects are made up of smaller parts. Later, she looks at a piece of paper, but does not see any smaller parts.
Why doesn't she see any smaller parts?
A. Only some objects are made up of smaller parts.
B. The parts are only visible to scientists.
C. No objects are made up of smaller parts.
D. The parts are too small to be seen with the human eye.
D. The parts are too small to be seen with the human eye.
300
Why don't stars that are larger than the Sun completely light up the Earth's sky?
A. These stars don't give off as much light as the Sun.
B. These stars are colder than the Sun.
C. These stars are dark on the side that faces the Earth.
D. These stars are much farther away than the Sun is.
D. These stars are much farther away than the Sun is.
300
Which of the following could protect fish from becoming extinct by overfishing?
A. allow ships to catch only adult fish
B. limit the number of fish a ship can catch each day
C. limit the number of ships that can fish each day
D. all of these
D. all of these
300
It is important that the materials used to build the support beams of tall skyscraper buildings are a little flexible and can bend when the wind blows hard or the earth settles. However, they cannot bend too much when pressure is applied because they will topple over under the weight of the building.
Which of the following materials would be a good building material for a new skyscraper?
A. plastic
B. cardboard
C. steel
D. rubber
C. steel
300
Which of the following makes up the Earth's hydrosphere?
A. all of the living organisms on Earth
B. all of the water on or near Earth's surface
C. all of the solid forms on Earth
D. all of the gases that surround the Earth
B. all of the water on or near Earth's surface
300
What is matter?
A. anything that takes up space
B. the amount of matter an object has
C. the amount of space an object takes up
D. the measure of how warm something is
A. anything that takes up space
400
Which of these is responsible for the apparent movement of stars in the sky during one night?
A. Earth's tilt
B. Earth orbiting the sun
C. the moon orbiting
D. Earth rotating about its axis
B. Earth orbiting the sun
400
Which of the following environmental problems could be solved by reducing the amount of packaging that people need to throw away?
A. a river is polluted with pesticide
B. an oil spill pollutes water supplies
C. burning coal produces air pollution
D. a landfill is filling up too quickly
D. a landfill is filling up too quickly
400
Brad wants to learn about what happens to the materials that make up a plant after the plant dies.
Which of the following could help Brad answer this question?
A. Brad could plant a rosebush in a sunny area and measure how tall it grows.
B. Brad could ask all of his classmates to tell him their favorite kind of plant.
C. Brad could gather several dead leaves and watch what happens to them over several weeks.
D. Brad could go outside to look at trees and draw pictures of them in his notebook.
C. Brad could gather several dead leaves and watch what happens to them over several weeks.
400
What two Earth systems are interacting as the water evaporates from the ocean?
A. atmosphere and biosphere
B. geosphere and biosphere
C. biosphere and hydrosphere
D. hydrosphere and atmosphere
D. hydrosphere and atmosphere
400
Glaciers in the mountains start to melt when the air temperature increases. This is an example of which two Earth systems interacting?
A. atmosphere and biosphere
B. hydrosphere and biosphere
C. hydrosphere and geosphere
D. atmosphere and hydrosphere
C. hydrosphere and geosphere
500
What would happen if Earth spun on its axis faster than it does now?
A. Earth would be hotter
B. A day would be shorter than 24 hours
C. A year would be longer than 365 days
D. There would be more than four seasons.
B. A day would be shorter than 24 hours
500
Extra fertilizer can be carried by runoff from rain into streams and lakes. The fertilizer causes water pollution. It can harm some animals and may cause too much algae to grow, as shown by the green film on the water in the picture below.
How can people prevent fertilizer form polluting the water?
A. Use the fertilizer more often than it says to on the package.
B. Use more fertilizer than it says to on the package.
C. Only use fertilizer when the weather is dry.
D. all of these
C. Only use fertilizer when the weather is dry.
500
Mr. Jenson's class is observing the growth of one kind of pea plant.
The class wants to design an experiment to answer the question, "What amount of water will cause the plants to produce the greatest number of peas?"
What could the class do to create the experiment? A. give all of the pea plants different amounts of water and count the number of peas that the plants produce
B. stop watering all of the pea plants and then count the number of peas that the plants produce
C. give all the pea plants different amounts of water and only guess the number of peas that the plants produce
D. give all the pea plants the same amount of water and count the number of peas that the plants produce
A. give all of the pea plants different amounts of water and count the number of peas that the plants produce
500
How does the water cycle show how the hydrosphere and atmosphere interact?
A. Plants soak up water from the ground
B. Air evaporates to form water vapor clouds
C. Water filters through the soil into groundwater
D. Heat and wind cause water in a pond to evaporate into the air.
D. Heat and wind cause water in a pond to evaporate into the air.
500
When is the Sun high in the sky, almost directly overhead?
A. 7 a.m.
B. 9 a.m.
C. noon
D. 4 p.m.
C. noon