Ecosystem
What type of organism produces its own food using sunlight?
Producer
What pulls things to the ground?
Gravity
What do humans breathe?
Oxygen
What is 45−17
28
Which planet do we live on?
Earth
What is the main source of energy for most ecosystems?
The Sun
What causes day and night?
A) Earth spinning
B) Moon moving
C) Sun moving
A. Earth Spinning
What do plants need to grow? Give 2
Sunlight and Water
What is 0.6+0.35
0.95
Which planet is the hottest?
Venus
What type of organism eats both plants and animals?
Omnivore
What causes the ground to shake?
Earthquake
What organ pumps blood?
Heart
Solve: x+7=15
8
What do we call space rocks?
Asteroids
What do we call the place where an organism lives?
Habitat
What do we call moving air?
Wind
What tool sees tiny things?
Microscope
What is the value of x in 2x+3=11
What is a comet made of?
Ice and Dust
What process returns nutrients to the environment?
Decomposition
What causes tides?
What is the boiling point of water (°C)?
100 degree
Solve: x²=16
±4
What keeps planets moving around the Sun?