Matter
Copper can be stretched out into wires and used to carry electricity. It is shiny and it can be hammered into flat pieces. What type of material is copper?
A. It is a sedimentary rock.
B. It is a type of wood.
C. It is a plastic.
D. It is a metal.
What is a metal?
A leaf falls off a tree. The gravity of Earth _____.
A. Pulls objects towards it's center
B. Pulls objects to the east
C. Pushes on all objects on Earth
D. Pulls objects down
What is pulls objects towards it's center?
Why do we need predators in our ecosystem?
What is without predators, we would have an overpopulation of prey?
Why does the sun appear to be the brightest in the sky?
What is because it is closest to us?
Fish have gills, while birds have _____
What is lungs?
Charlette Cavatica placed salt water in a beaker and left it on her desk for a week. After a week, there was only salt. Which best explains the missing water from the beaker?
What is evaporation?
A grasshopper eats plants. A cat eats the grasshopper. What is the original source of the energy in this situation?
What is the sun?
What do plants need to grow?
What is water and sunlight?
During which part of the water cycle does dew form?
What is condensation?
Why can we see the moon?
What is it reflects the light from the sun?
Avery Arable added baking soda to vinegar in a glass flask. It began to bubble when it reacted. In the end, she was left with water and carbon dioxide. Which of the following is true?
A. It was a physical change since a new substance was formed
B. It was an example of precipitation
C. It was a chemical change since a new substance was formed
D. It was a physical change since she physically changed the substance
What is a chemical change?
A car and a truck travel at the same speed on a road in the same direction. Both vehicles slow down with the same stopping force. Why does the truck need more distance the the car to stop?
What is the truck has more mass?
What are organisms that make their own food?
What are producers?
What causes the ocean tides?
What is the moon?
A tree is blown down by strong winds. Which two spheres are interacting?
What is the biosphere (tree) and the atmosphere (wind)?
Thurston Howell placed a glass of liquid water outside on a very cold night in Alaska. The next day, the water was solid ice. What caused this to happen?
A. The particles of water slowed down and the water froze
B. The particles of water sped up and the water froze
C. The water evaporated when the particles sped up
D. It was a chemical change
What is the particles slowed down and the water froze?
A rolling ball will slow down until it finally stops. What force slows down and stops the ball?
What is friction?
What eats both plants and animals?
What is an omnivore?
The Earth's _______ takes 24 hours and causes day and night
What is rotation?
The majority of our freshwater is _____
A. groundwater
B. bottled water
C. Frozen
D. In the atmosphere
What is frozen?
Artie Bucco is using a frying pan. What type of material would best be used for the pan?
A. A plastic pan so it could melt
B. A stone pan since it conducts heat well
C. An iron pan since it conducts heat well
D. An iron pan since it insulates heat well
What is an iron pan since it conducts heat well?
What is an increase in motion?
A. Inertia
B. Friction
C. Velocity
D. Acceleration
What is acceleration?
Fungus is an example of this
What is the path the earth takes around the sun?
What is orbit?
What is the part of the experiment that the scientist is changing?