What part of a plant is usually green and makes food?
Leaves
What makes an object start to move?
A force
Who invented the light bulb?
What natural light warms the Earth every day?
Sunlight
If you skip-count by 5s, what number comes after 35?
40
What do animals need to breathe in to stay alive?
Oxygen
What force slows things down when they rub together?
Friction
Which invention helps people talk from far away?
Telephone
What natural resource do we drink every day?
Water
A jar has 28 marbles. You take away 9. How many are left?
19
What part of the plant holds it firmly in the ground?
Roots
What happens to a toy car if you push it with more force?
It goes farther or faster
What invention lets us fly in the sky?
Airplane
What do we call a large body of salt water?
Ocean
What is 25 + 17?
42
What do we call a group of animals of the same kind living together?
Population
What do we call the amount of space something travels?
Distance
Which invention helped people travel quickly across long distances on land?
The train
What is the outer layer of the Earth called?
Crust
What is 63 รท 9?
7
What is the process of a caterpillar becoming a butterfly?
Metamorphosis
What word describes how fast something is moving?
Speed
What invention allows astronauts to explore space beyond Earth?
Spacecraft
What cycle describes how water moves from the ground to the sky and back?
The water cycle
What is the perimeter of a square with each side 4 units long?