Show:
Astronomy
Water and Weather
Light and Sound
Force and Motion
Ecology
100
What color are the hottest stars? a. orange c. blue b. red d. yellow
What is blue?
100
What two elements make up a molecule of water? a. nitrogen and oxygen b. hydrogen oxygen c. helium and oxygen d. carbon and oxygen
What is hydrogen and oxygen?
100
Most of the light that strikes a transparent material is ____. a. absorbed c. reflected b. attracted d. transmitted
What is transmitted?
100
The wheelbarrow makes work easier because the handles are part of a simple machine called _____. a. an inclined plane c. a screw b. a lever d. a wedge
What is a lever?
100
Which of these living things is a producer? a. a cow c. a squirrel b. an earthworm d. a rose bush
What is a rose bush?
200
You can see planets move, but not stars. This is because planets are ___________. a. closer to Earth. b. much bigger than stars. c. much hotter than stars. d. the only objects in space that move.
What is closer to Earth?
200
What is water in the gaseous state called? a. ice b. frost c. water vapor d. latent water
What is water vapor?
200
Which object is opaque? a. air c. paper b. apple d. water
What is an apple?
200
A pulley is a simple machine that makes work easier by _____. a. lifting things c. holding things together b. turning things d. pushing material outward
What is lifting things?
200
Which statement is true? a. Producers eat consumers. b. Producers eat other producers. c. Consumers eat other consumes. d. Consumers make their own food from sunlight.
What is consumers eat other consumers?
300
Which is the brightest object in the night sky after the moon? a. Jupiter c. Venus b. Saturn d. Mercury
What is Venus?
300
What happens when sublimation occurs? a. Water vapor turns into ice. b. Liquid water turns into water vapor. c. Ice truns into liquid water. d. Water vapor turns into liquid water.
What is when water vapor turns into ice?
300
Which object below is translucent? a. brick c. glass window b. water d. waxed paper
What is waxed paper?
300
An axe can be used to split wood. The blade of the axe is a simple machine called _________. a. an inclined plane c. a screw b. a lever d. a wedge
What is a wedge?
300
Which statement is true? a. Producers could live without consumers. b. Consumers could live without producers. c. Consumers do ot need decomposers. d. Producers do not need decomposers.
What is producers could live without consumes?
400
Apparent magnitude measures _____________ a. the temperature of a star. b. how bright a star appears from Earth. c. the distance of a star from the solar system. d. the size of stars on the H-R diagram.
What is the size of stars on the H-R diagram?
400
What happens to water during evaporation? a. It freezes. b. It absorbs heat. c. It melts. d. Heat is taken away.
What is absorbs heat?
400
You see yourself in a smooth sheet of aluminum foil. You don't see yourself in a crumpled sheet of aluminum foil because the light is _______. a. absorbed c. magnified b. attracted d. scattered
What is scattered?
400
Ava pushes four toy cars to see which will move fastest. Two cars are heavy, and two cars are light. She uses either a strong force or a weak force. Which car MOST LIKELY has the greatest speed? a. a heavy car pushed with a strong force b. a light car pushed with a strong force c. a heavy car pushed with a weak force d. a light car pushed with a weak force
What is a light car pushed with a strong force?
400
Decomposers help plants by ______________ a. keeping consumers from eating them. b. adding food to the soil. c. providing water. d. stopping plants from decaying.
What is adding food to the soil?
500
Why does the sun appear brighter to us than other stars? a. It is brighter than all other stars. b. It is closer to Earth than other stars. c. Yellow stars always appear brighter than other stars. d. The moon reflects the sun's light and makes it look brighter.
What is it is closer to Earth than other stars?
500
What must happen before water can change from one state to another? a. It must gain or lose heat. b. It must lose an oxygen molecule. c. Its temperature must decrease. d. Its temperature must increase.
What is it must gain or lose heat?
500
On a hot summer day, you may feel warmer if you wear a black shirt rather than a white shirt. This is because light that strikes black objects is mostly ______ a. absorbed c. reflected b. dissolved d. transmitted
What is absorbed?
500
A girl hits a softball with a bat. The softball flies across the field and stops. The girl then hits a heavier ball with the same force. Compared to the lighter ball, the heavier ball has ________. a. faster speed and travels a linger distance. b. faster speed and travels a shorter distance. c. slower speed and travels a longer distance. d. slower speed and travels a shorter distance.
What is slower speed and travels a shorter distance?
500
What does a food chain start? a. with animals that eat grass b. with animals that eat other animals c. with plants that eat animals d. with plants that make food
What is with plants that make food?