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Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
100
This is to change from a liquid to a gas.
What is evaportate.
100
The ability to do work is this.
What is energy?
100
An object in ______ is changing its position.
What is motion?
100
Scientists can use a _________ to learn more about a living thing from the past.
What is a fossil?
100
A structure that holds up a plant is this.
What is a stem?
200
If you do this to a liquid, it becomes a solid.
What is to freeze?
200
The form of energy that allows you to see objects is called this.
What is light?
200
How quickly an object moves is described by its ____.
What is speed?
200
Soil is an example of this type of resource.
What is a natural resource?
200
The skull and vertebrae are part of this.
What is the skeletal system?
300
This is the amount of matter in an object.
What is mass.
300
A path that allows electric current to flow is are.
What is circuit?
300
You can use a ____ to attract things made of iron.
What is a magnet?
300
A kind of organism is ___________ when there are no more left alive.
What is extinct.
300
A substance that helps living things grow and stay healthy is this.
What is a nutrient?
400
Anything that has mass and volume is this.
What is matter?
400
A sound's ______ is how high or low is this.
What is pitch?
400
A straight bar that moves on a fixed point is a ____.
What is a lever?
400
A rock that is changed by heating and squeezing is this.
What is a metamorphic rock?
400
The mouth and pancreas are part of this system.
What is the digestive system?
500
The amount of space an object takes up is this.
What is volume?
500
A material that heats does not move through easily is this.
What is an insulator?
500
You squeeze the hand brakes on a bike. The force that slows down the bike is__________.
What is friction?
500
The breaking down of rocks into smaller pieces is called this.
What is weathering?
500
This is what would happen if you only ate food from one food group.
What is my diet would not be balanced? Eating from one food group does not provide my body with all of the nutrients needed.