Show:
Earth's Systems
Properties of Matter
Physical/Chemical Changes
Transfer of Energy
Structures of Living Things
100
Where is most of Earth’s water located? A. Glaciers B. Lakes C. Oceans D. Rivers
C. Oceans
100
A student stands outside on a cold winter day. His hands become cold and he rubs them together to make them warmer. Which statement explains why rubbing his hands together makes them warmer? A. This action produces thermal energy through friction. B. This action conducts thermal energy away from the body. C. This action captures thermal energy from the environment. D. This action reduces the amount of thermal energy transferred to the air.
A. This action produces thermal energy through friction.
100
Sharpening a pencil and tearing paper are examples of physical changes. Which statement describes why these are physical changes? A. There is a change in how the objects are used. B. There is a change in the appearance of the objects. C. There is a change in the materials from which the objects are made. D. There is a change in both the appearance of the objects and the materials they are made of.
B. There is a change in the appearance of the objects.
100
When electric current flows through the metal filament of a light bulb, electrical energy is converted to A. heat energy only. B. heat and light energy. C. light and motion energy. D. light energy only.
B. heat and light energy.
100
Which seed has structures that allow animals to transport the seed on their fur? (picture on word)
B.
200
How do plants most commonly break large rocks into smaller pieces? A. Plant leaves insulate surrounding rocks from extreme temperatures. B. Plant roots grow into cracks in rocks. C. Seeds from plants fall onto rocks and release acidic compounds. D. Stems of plants surround and squeeze rocks.
B. Plant roots grow into cracks in rocks.
200
Why does an ice cube melt in water? A. The ice transfers cold to the water. B. The water transfers cold to the ice. C. The ice transfers thermal energy to the water. D. The water transfers thermal energy to the ice.
D. The water transfers thermal energy to the ice.
200
Which action will result in a product with new chemical properties (chemical change)? A. Shredding a newspaper B. Breaking a mirror C. Cutting wood D. Baking a cake
D. Baking a cake
200
Two other students investigate model telephones made with paper and plastic cups. They find that sound is transmitted better using plastic cups. The class wants to make a model telephone that makes the best sound possible. They use the results of both investigations. Which setup should they use? A. plastic cups and tight string B. paper cups and tight string C. plastic cups and tight wire D. paper cups and tight wire
C. plastic cups and tight wire
200
What structure on this plant makes seeds so that the plant can reproduce? A. leaf B. root C. stem D. flower
D. flower
300
Which process is most responsible for the formation of the Grand Canyon? A. scouring by continental glaciers B. erosion by wind and water C. eruptions by explosive volcanoes D. cracking of Earth’s crust by earthquakes
B. erosion by wind and water
300
A scientist uses an instrument to observe the pattern of molecules in a substance. The picture above shows what the scientist sees. What state of matter is the scientist most likely observing? A. gas B. liquid C. vapor D. solid (Ms. Sherk will draw picture)
D. Solid
300
Which of the following represents a physical change? A. ice melting B. paper burning C. baking cupcakes D. iron rusting
A. ice melting
300
An air hose extends above and below the surface of the water. Which statement explains why the air hose looks broken at the surface of the water? A. Light is refracted as it moves from air to water. B. Light is reflected as it moves from air to water. C. Light is absorbed as it moves from air to water. D. Light is destroyed as it moves from air to water.
A. Light is refracted as it moves from air to water.
300
Which two parts of a plant are part of the transport system?
Stem and roots
400
The weather forecast says a heavy snowstorm is coming later today. Which weather observation is likely just before the snow? A. clear sky B. thick grey clouds C. small white clouds D. warm temperature
B. thick grey clouds
400
Two juice containers are in a cooler. One is plastic and one is metal. The metal can feels colder than the plastic bottle. Students place a thermometer in each container. They find that the juices in the bottle and in the can are the same temperature. Why does the can feel colder than the bottle? A. The metal can holds colder juice than the plastic bottle. B. Plastic is a better conductor of thermal energy than metal. C. Metal is a better conductor of thermal energy than plastic. D. The outside of the metal can is drier than the plastic.
B. Plastic is a better conductor of thermal energy than metal.
400
Which action will result in a product with new chemical properties? A. shredding a newspaper B. breaking a mirror C. cutting wood D. popping popcorn
D. popping popcorn
400
Which best describes a parallel circuit? A. Electricity flows along one pathway. B. The flow of electricity comes from one source. C. Electricity flows along more than one pathway. D. The flow of electricity comes from more than one source.
C. Electricity flows along more than one pathway.
400
Peach trees have sweet-smelling blossoms and produce rich fruit. What is the main purpose of the flowers of a peach tree? A. to attract bees for pollination B. to create flower arrangements C. to protect the tree from disease D. to feed migratory birds
A. to attract bees for pollination
500
Mount Rushmore is in South Dakota. This statue was carved more than 60 years ago. The faces on this granite statue are slowly wearing away. Which natural process causes this wearing away? A. earthquakes B. water from floods C. blowing wind and rain D. lava flowing from volcanoes
C. blowing wind and rain
500
A metal spoon was left in a pot of boiling soup. The cook burned a finger by touching the spoon. Why did the finger get burned? A. The metal spoon chemically reacted with the cook’s hand. B. The metal spoon conducted electricity to the cook’s hand. C. The metal spoon conducted heat to the cook’s hand. D. The metal spoon insulated the cook’s hand.
C. The metal spoon conducted heat to the cook’s hand.
500
Which shows a chemical change? (picture on word)
A.
500
Electric energy flows through the wire filament in a light bulb. The energy flow causes the wire to glow and give off light. Which type of energy produces this light? A. sound B. gravity C. thermal D. magnetic
C. thermal
500
Which animals are most likely to carry the seeds found in berries from the parent plant to another area? A. bees B. birds C. flies D. caterpillars
B. birds