Physical Science Life Science Earth Science Poturri Category

Physical Science Life Science Earth Science Poturri Category Heading 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500

You have three balls. Their masses are 100 grams, 500 grams, and 1, 000 grams. Which has the greatest gravitational force?

What is the 1, 000 gram ball?

If Earth’s gravity did not act on the moon, the moon would? Fly off into space in a straight line or -crash into Earth

What is fly off into space in a straight line?

Bats hear better than human. Why? A. They can hear echoes? B. They hear vibrations at higher frequencies? C. They hear fewer vibrations? D. Their ears vibrate faster?

What is (b) they hear vibrations at higher frequencies?

Which of these is NOT a simple machine? A. Broom B. Pry bar C. Rake D. Lawn mower

What is (d) lawn mower?

Which of the following is transparent? A. Aluminum foil B. A cardboard box C. A plastic milk jug D. Drinking water

What is (d) drinking water?

Which is a properly ordered food chain in a forest ecosystem? A. bear, eagle, fox B. Fox, bear, eagle C. Grass, rabbit, eagle D. Grass, eagle, mouse

What is (c) grass, rabbit, eagle?

There are no more of these animals on Earth. These animals are ______? A. Rare B. Extinct C. Endangered D. Predators

What is (b) extinct?

This is an example of _____? A. a food chain B. a food web C. a population pyramid D. an energy pyramid

What is (b) a food web?

This is an example of _____? A. a food chain B. a food web C. a population pyramid D. an energy pyramid

What is (a) a food chain?

This is an example of _____? A. a food chain B. a food web C. a population pyramid D. an energy pyramid

What is (d) an energy pyramid?

High speed winds can make the day feel colder than it really is. Which instrument could help you decide if you should wear a coat? A. weather vane B. rain gauge C. anemometer D. barometer

What is (c) anemometer?

In the water cycle, water enters the atmosphere through? A. Condensation B. Freezing C. Precipitation D. Evaporation

What is (d) evaporation?

Which statement is true? A. All stars have rocky cores surrounded by burning gas. B. You can see all eight planets in our solar system without a telescope. C. The planets seem to wander against the background of the stars. D. All stars are the same size and have the same color.

What is (c) the planets seem to wander against the background of the stars?

The pattern of stars in a constellation does not change. Why is this so? A. The stars in a constellation revolve around the Earth together. B. The stars in a constellation rotate very slowly on their axes. C. Earth’s gravity attracts the stars and holds them in place. D. Stars appear not to move because they are so far away from the Earth.

What is (d) stars appear not to move because they are so far away from the Earth.

Alicia is making a model of the solar system. The model of earth is a circle of cardboard that is 1 cm across. About how wide should she make the model of Jupiter? (The diameters of the two planets are as follows: Earth-12, 756 km; Jupiter-142, 984 km. ) A. B. C. D. 3. 5 cm 11. 0 cm 27. 0 cm 412. 0 cm

What is (b) 11. 0 cm?

Scientists use different types of technology to investigate Earth’s weather. Which of the following provides color-coded images that identify different types of precipitation? A. Doppler radar B. Hubble Space Telescope C. Weather balloons D. Seismographs

What is (a) Doppler radar?

Ice is forming on a pond. Inside a pan of water on a stove is starting to boil. What is the temperature of the water in each instance? A. 32°C, 212°C B. 10°C, 212°C C. 32°C, 100°C D. 0°C, 100°C

What is (d) 0°C, 100°C?

Which statement is true? A. When the Northern Hemisphere receives direct sunlight, the climate gets colder. B. Climate is the average of the conditions of the atmosphere over many years. C. Weather is the average of the atmosphere over many years. D. Climate can change quickly.

What is (b) climate is the average of the conditions of the atmosphere over many years?

Suppose that a weather forecast states that a cold front will pass through your area during the night. What is the most likely prediction for tomorrow? A. Snow B. Steady rain. C. Heavy cloud cover. D. Cooler temperatures.

What is (d) cooler temperature?

pond weeds insects frogs snakes Look at the pond food chain shown above. If a large number of frogs were removed from the pond, what would most likely happen? A. Many insects would die, and the number of snakes would decrease. B. The number of insects would decrease, and the number of snakes would decrease. C. The number of insects would increase, and many snakes would die. D. The number of insects would increase, and the number of snakes would remain about the same.

What is (c) the number of insects would increase, and many snakes would die?

A warm dry air mass is located over Georgia. What kind of weather would be expected? A. Warm weather with little or no precipitation. B. Cool weather with little or no precipitation. C. Warm weather with a lot of precipitation. D. Cool weather with a lot of precipitation.

What is (a) warm weather with little or no precipitation?

What instrument would an astronomer use to get the BEST view of a distant star? A. A telescope B. The Hubble Space Telescope C. A microscope D. A pair of binoculars

What is (b) the Hubble Space Telescope?

White-tailed deer have long, thin legs that help them run from danger. What are a deer’s legs an example of? A. Adaptation B. Basic needs C. Diversity D. Habitat

What is (a) adaptation?

A truck has more inertia than a bicycle. What characteristics of the truck account for this? A. Its volume B. Its shape C. Its mass D. Its age

What is (c) its mass?

You observe a bright object in the night sky for a week. Each night, the object is in a slightly different location. What is this object? A. A star. B. A comet C. A planet D. An asteroid

What is (c) a planet?