Science Stuff
What happens when the North and South pole of a magnet are put together?
They repel each other / push away.
What is Matter?
Anything that has mass and takes up space. Or just "stuff".
What is the name of the force that resists motion when two objects contact each other? (It slows motion down.)
Friction.
What causes the seasons to change?
The tilt of the Earth's axis. When the Northern Hemisphere is tilted away from the sun, it is winter in the north. When the Northern Hemisphere is tilted towards the sun, it is summer in the north.
When is your shadow the shortest?
At noon (the middle of the day)
What is the process that green plants use to make their own food?
Photosynthesis
What are the 3 states of matter?
Solid, Liquid, Gas
Which climate zone is Antarctica located in?
Polar
When Marble A bumps into Marble B, why does Marble B move?
Fill in the blank.
Marble A's ______________ is transferred to Marble B.
energy
What is the meaning of hydrosphere?
All the water on Earth.
How do you know that you've made a new substance when you mix two substances together? Pick all correct answers.
(a) There's a change in temperature.
(b) It begins to glow or give off light.
(c) There's a change in odor.
(d) There's a change in color.
a, b, c, and d (All answers)
Why does the sun look so much larger and brighter than all the other stars?
(a) It is the largest star in the solar system.
(b) It is closer to the earth than the other stars.
(c) It is the brightest star in the solar system.
B
The sun and all the objects that orbit it make up what?
The Solar System.
In this example, what is the stimulus?
An announcement came over the loud speaker, and everyone got very quiet.
The announcement on the loud speaker
True or False?
When water changes from a liquid to a gas, its mass changes.
False.
Mass always stays the same when matter changes state.
Name the 3 ingredients needed for photosynthesis.
Sunlight, Water, Carbon Dioxide
What states of matter take the shape of their containers?
Liquid, Gas.
In a game of tug-of-war, the forces (pulls) from each team are _________________ if the rope isn't moving.
balanced
Name the five senses that your brain uses to respond to your surroundings.
Sight (vision), Hearing, Touch, Smell, Taste
Fill in the blank.
It takes the earth one year to complete one ____________ around the sun.
Revolution
What do you call something that can affect the outcome of an experiment?
variable
What does this experiment prove?
A balloon with no air in it and a balloon that is blown up are placed on a scale. The side of the scale with the blown up balloon goes down.
Air has weight.
Why does the sun appear to move across the sky?
the earth is rotating
Which of the following is a form of energy?
(a) sound
(b) light
(c) electricity
(d) all of the above
D
What type of organism do all food chains and food webs begin with?
Producer