Earth and Space Science
How long does it take Earth to complete one full rotation?
24 hours or 1 day
A change that does not result in a new substance
Physical Change
A force is a
push or pull
The different stages organism goes through is called it's
Life Cycle
The process of sediment (rock) breaking apart is called
Weathering
Earth rotates on it's __________?
Axis
Particles packed tightly together create which state of matter?
Solid
True or false: Objects can be moved without touching them.
True
An organism that makes it's own food.
Producer
The process of sediment (rock) moving is called
Erosion
How long does it take Earth to revolve around the sun?
365 days or 1 year
A change that creates a new substance
Chemical Change
A moving marble collided with a stationary golf ball. Explain what would happen to both the marble and the golf ball. Use energy in your answer.
Marble will lose energy and slow down. Golf ball will gain energy and move. (Answers will vary)
An organism that has to eat other organisms to gain energy
Consumer
Which statement best explains why the Sun appears to move across the sky each day?
A. The Sun rotates around Earth
B. Earth rotates on its axis
C. The Sun revolves around the Earth
D. Earth moves closer to the Sun
B. Earth rotates on its axis
Why do we have seasons on Earth?
Earth is tilted
An object that is able to let energy pass through easily
Conductor
Energy an object has when it is not moving
Potential Energy
A scientist observes animal behaviors in the wild.
Which observation BEST shows a learned behavior?
A. A spider spins a web shortly after hatching
B. A deer runs away when it hears a loud noise
C. A dog sits after being trained with rewards
D. A baby cries when it is hungry
C. A dog sits after being trained with rewards
Polar bears live on ice caps. Which two spheres are interacting?
Biosphere and Hydropshere
Particles completely filling up an entire area represents which state of matter?
Gas
Energy an object has when it is in motion
Kinetic Energy
A scientist studies a group of rabbits and notices that many offspring have the same fur color as their parents.
What is the BEST explanation for this observation?
A. The rabbits learned their fur color from their environment.
B. Fur color is passed from parents to offspring.
C. Rabbits choose their fur color based on where they live.
D. The environment changes the rabbits’ traits instantly
B. Fur color passed from parents to offspring.
A object that does not easily allow energy to pass through is called an
Insulator
The process of a liquid turning into a gas
Evaporation
A student measured the mass of a cup of ice water to be 123 grams. What will the mass be when the ice melts?
123 grams
Two golf balls are on different shelve. One golf ball is 50cm from the ground. The other golf ball is 200cm from the ground. Which golf ball has more energy? Why?
A trait passed down from parent to offspring
Inherited Trait
Sunflower seeds from the same parent plant were planted. One offspring grew to be tall, the other was short. What might have caused this?
One received less light, air, water
One received more light, air, water
The process of a gas turning into liquid droplets
Condensation
The amount of space an object takes up?
Volume
A force that results in movement is called an
Unbalanced Force
An organisms traits are influenced by which two factors?
1. Parents
2. Their environment
Scientists were digging for fossils. On the bottom layer they found shark teeth. On the top layer, they found lizard bones. Explain how the environment changed over time.
Shadows are longest when:
The sun is low
The amount of matter in an object.
Mass
A force created when two objects rub together
Friction
A trait that helps an organism survive
Adaptation
Why does the sun appear to be the biggest and brightest star?
A student mixed salt and water in a cup and leaves it on his desk for 2 weeks. What can he expect to see in the cup when he returns.
If two students push on opposite sides of a box with equal force, the box does not move. This is an example of?
Balanced force
Energy from the food we eat was once energy from
The Sun
How many stars are in our solar system?
One
Why do we see different star constellations during the year?
Earth is revolving
What are three possible signs of a chemical change?
Students added 5 grams of water and 5 grams of sugar to an empty container that had a mass of 25 grams. The container was then sealed, shaken and left overnight. Students saw that the sugar dissolved in the water. What was the mass of the container the next day?
35 grams
What four life cycle stages does every organism have in common? Must be named in the correct order.
Birth, Growth/Development, Reproduction, Death