Matter
Ecosystems
Force
Solar System
Light/ Sound
100

This is anything that has mass and takes up space.

What is matter?

100

Plants produce these 2 things during photosynthesis.

What are oxygen and glucose (sugar)?

100
Force that causes a change in motion.
What is an unbalanced force?
100
The star closest to our planet.
What is the Sun?
100

Energy from the sun that helps warm Earth. 

What is light energy?

200

This property describes how much space an object takes up.

What is volume? 

200
An organism that makes it's own food.
What is a producer?
200
A push or a pull that changes the motion of an object.
What is a force?
200
The path one object takes around another object in space.
What is an orbit?
200

A lamp changes electrical energy into these two forms of energy.

What are light energy and heat energy?

300

When salt is mixed with water and seems to disappear, it has done this.

What are dissolve?

300
A characteristic that helps an organism survive .
What is an adaptation?
300
A force that causes a spring scale to show weight of an object.
What is gravity?
300
One of these takes about 365 days.
What is Earth's revolution around the Sun?
300

Rubbing your hands together transfers energy and produces this.

What is heat?

400

Matter most commonly exists as these three states.

What are solid, liquid, and gas?

400
A green food-producing molecule that helps plants make their own food.
What is chlorophyll?
400

The measure of distance an object moves in a given time.

What is speed?

400

This takes about 29.5 days.

What is the moon's revolution around the Earth?

400

When a bell rings, the bell’s movement transfers energy to the air as this.

What is sound energy?

500

When a new substance forms, this kind of change has happened.

What is a chemical change?

500
A network of overlapping food chains in an ecosystem.
What is a food web?
500
A force that opposes motion and acts between 2 objects that are touching.
What is friction?
500
the Earth does this in a 24 hour period.
What is rotate on it's axis?
500

In a complete circuit, electrical energy can be transferred to a bulb, a motor, or a buzzer to make light, motion, or _____.

What is sound?