Energy is Everywhere!
The air conditioning went out in Owen's house. He switched on the ceiling fan to keep himself cool at night. What is one type of energy that turned the blades of the fan?
A. chemical energy
B. mechanical energy
C. nuclear energy
D. radiant energy
B. mechanical energy
Of the outer planets, which one is closest to the Sun?
A. Jupiter
B. Neptune
C. Saturn
D. Venus
A. Jupiter
Mrs. Hall's car was damaged during the school day. The hood, trunk, and top of the car looked like someone had hit it repeatedly with a small rubber mallet. What most likely caused the damage?
A. hail
B. sleet
C. snow
D. rain
A. hail
Which of the following are needed during a hurricane?
A. Bottled water, batteries, flashlight
B. Power cords, camera, DVD player
C. Hair dryer, soda, pizza
D. Camera, coffee maker, sunglasses
A. Bottled water, batteries, flashlight
Summer needs 3.4 pounds of turkey for her family party. At Publix, turkey costs $12.57 a pound. How much money does Summer need to purchase turkey for her family?
A. $3.69
B. $15.97
C. $9.17
D. $42.74
D. $42.74
In order to power an elevator, a motor must convert electrical energy into which other type of energy?
A. nuclear energy
B. thermal energy
C. light energy
D. mechanical energy
D. mechanical energy
The Milky Way is our home galaxy. Which of the following are the main components of a galaxy?
A. orbits, cores, and eclipses
B. gas, dust, and stars
C. ice, meteoroids, and minerals
D. gravity, sedimentary rocks, and water
B. gas, dust, and stars
The Sun’s heat causes which of the following movements of water in the water cycle?
A. Evaporation from oceans
B. Rivers flowing down mountains
C. Precipitation from clouds
D. Collection of water in lakes
A. Evaporation from oceans
Watching the way clouds move in the sky would most likely provide helpful information on which characteristic of the weather?
A. Daily high temperature
B. Wind speed and direction
C. Relative humidity
D. Barometric pressure
B. Wind speed and direction
An architect uses 2.5 square yards of paper for his blueprints. How many blueprints can he make with 7.50 square yards of paper?
3 blueprints
Felix wants to determine which type of light bulb is more efficient: a halogen light bulb or fluorescent light bulb. He measures how much electricity each bulb uses for half an hour. How could he improve his experiment?
A. write a better conclusion
B. use different light bulbs
C. measure how much heat each bulb produces
D. collect less data
C. measure how much heat each bulb produces
Felipe and Stephanie are spending the evening observing stars together. They can see thousands of stars in the dark night sky. Stars outside of the solar system are most similar to which of the following?
A. an asteroid
B. the Moon
C. Earth
D. the Sun
D. the Sun
The ocean is an important reservoir of water on Earth. Lakes are another reservoir of water on Earth. Which of the following best explains how precipitation connects these two?
A. Water from one reservoir can be released from the atmosphere into another.
B. Gravity moves water from locations high in the mountains downward to sea level.
C. Water from these reservoirs enters the atmosphere when it absorbs heat from the sun.
D. These reservoirs store water, which is necessary for the survival of living things.
B. Gravity moves water from locations high in the mountains downward to sea level.
The weather in an area is affected mostly by interactions between what elements?
A. Oceans, the atmosphere, and sunlight
B. Landforms, the moon, and the atmosphere
C. Sunlight, humans, and tall buildings
D. Polar ice, the rotation of Earth, and the oceans
A. Oceans, the atmosphere, and sunlight
Each hour, a machine purifies 35.82 gallons of water. How many gallons of water can be purified after 5.5 hours?
197.01 gallons of water
If a balloon is electrically charged, what must happen for it to repel a metal rod?
A. The objects must be heavy.
B. The objects have the same electrical charge.
C. The objects must have opposite charges.
D. The objects must touch.
B. The objects have the same electrical charge.
There are lots of objects in our solar system, but only eight of them are planets. What do all planets have in common?
A. They are all made of rock or ice.
B. They all have rings or moons as satellites.
C. They are all nearly round and orbit the Sun.
D. They all rotate on an axis and orbit the Earth.
C. They are all nearly round and orbit the Sun.
The water cycle is the process that moves water around on our planet. What is the most important source of water on Earth?
A. Clouds
B. The ocean
C. Lakes
D. The atmosphere
B. The ocean
Alejandro’s father is asking him to help stock the basement for potential weather disasters. Which of the following is NOT a reason why Alejandro and his father should have a family-preparedness plan for natural disasters?
A. Preparedness can save lives.
B. Radio stations provide weather information.
C. Being prepared can save property.
D. Disasters can occur with no warning.
B. Radio stations provide weather information.
Maya is packing her backpack for a hike. In one pocket she puts in 1/6 pound bag of trail mix, a water weighing 2 1/5 pounds, and a flashlight weighing 2/3 pound. How much weight do these three items add to her backpack?
a. 2 29/30
b. 91/30
c. 3 3/30
d. 103/30
b. 91/30
A student is building a complete circuit, that includes a switch, to power a light bulb. Besides a light bulb, what other materials does the student need to build his circuit?
a. Battery, wires, plastic spoon
b. Wires, pieces of wood, battery
c. Battery, paper clip, wires
d. Paper clip, wires, nail
c. Battery, paper clip, wires
Comets and asteroids both crash into planets or their moons sometimes. In what other way are comets and asteroids similar?
A. They both have a smooth, round shape.
B. They are both found in orbit around the Sun.
C. They both develop glowing tails near the Sun.
D. They are both made of ice and rock particles.
B. They are both found in orbit around the Sun.
In Florida, it rains more in the summer than it does the rest of the year. What is one reason it rains so much in the summertime in Florida?
A. Evaporation slows down in the summer, which causes water vapor to form fog.
B. Evaporation speeds up in the summer, making less water vapor available to form clouds
C. Evaporation speeds up in the summer, making more water vapor available to form rain.
D. Evaporation does not take place in the summer, which allows rain to fall freely.
C. Evaporation speeds up in the summer, making more water vapor available to form rain.
A region of land near the ocean can reasonably be expected to experience which of the following effects on its climate due to the influence of the nearby ocean?
A. Cooler summers and warmer winters.
B. Less precipitation, especially during spring.
C. Persistent, strong, hot and arid winds.
D. Constant, large changes in air pressure.
D. Constant, large changes in air pressure.
A piece of string is 5 7/8 inches long. How much should Roger cut off to make it 3 1/2 inches long?
a. 2 5/8
b. 19/8
c. 8 11/8
d. 88/8
b. 19/8