In a line or direction that is not curved or bent.
straight
What is it
Cotton
A material, like air, that fills all of its container; usually cannot be seen.
gas
To move back and forth very fast.
vibrate (v)
A living thing that is in the early part of its life. A dog’s _____ is called a puppy.
young
Moving in a circle.
around
A large, flat area of land.
plain
A land environment that is flat and covered with grasses.
prairie
Forms when something blocks the light.
shadow
A tool you turn to store energy in a toy that doesn’t use batteries.
key
Some plants, like pine trees, have _____ that make seeds.
cone
How fast or slowly an object moves.
speed
The part of a car that uses fuel to make the car move.
engine
All the living and nonliving things in one place.
environment
To move at little speed; some objects move ____ instead of quickly.
slowly
The form that something has, for example, round or square. Animals often have the same _____ as their parents.
shape
To change from a solid to a liquid.
melt (v)
Water that flows in a long line across land.
river
A fuel used mainly to make cars move.
gasoline
what is it?
hill
what kind of movement is it?
zigzag
A large body of salty water.
ocean
what tool is it?
wind vane
Fast; some objects, like cars, can move ____.
quickly
what kind of animal are eagles?
birds
The act of moving; a force can change the ____ of an object.
motion
What can cause change, move something, or do work.
energy
What material is it?
wood
A group of animals of one kind that stays together.
herd
what kind of animal are sharks?
fish
Name something you wear that can keep you safe.
---
An animal that does not have a backbone and has six legs.
insect
what does the T is STEM English mean?
technology
A gas in the air; combines with iron to make rust.
oxygen
A force that moves something toward you.
pull
Any material living things need to live and grow.
nutrient
what kind of animal are humans?
mammals
A kind of energy that gives light or heat and makes machines work.
electricity
what kind of animal are lizards?
reptiles
A living thing that has young, like the father or mother of a person or animal.
parent
what environment is it?
forest
The warmth the sun gives to living and nonliving things on Earth.
heat
The material stars, like the sun, are made of.
gas
A very high hill. The highest kind of land.
mountain
To heat a liquid until it becomes gas.
boil (v)
The force that pulls objects toward the center of Earth.
gravity
what kind of disaster is it?
tornado
What happens when wind or water moves rocks and soil.
erosion
Something a living thing has to have to live.
need
The dirt in which plants grow. Plants get nutrients from the _____.
soil
A common metal that is strong but can rust.
iron
what kind of animal are frogs?
amphibians
A piece of land with water all around it.
island
what is it?
island
To fall below the top or to the bottom of a liquid.
sink (v)
A kind of energy you can hear; comes from objects that vibrate.
sound
A push or a pull.
force
water to solid is ____.
freeze
what kind of disaster is it?
hurricane
The energy from the sun. Plants need _____ to make food.
light
The surface of Earth.
ground
How heavy an object is.
weight
A sudden shaking of Earth's surface that often causes a lot of damage.
earthquake
An animal that has a backbone and smooth, wet skin.
amphibian
An animal that has a backbone and dry skin and scales.
reptile
What plants make so new plants of the same kind can grow. Plants with flowers make _____.
seed
A firm object or material that does not change its shape.
solid
Having a shape that is like a circle and not straight.
curved
A wetland that has grasses.
marsh
the amount of matter an object has is ____.
mass
Not the same in some way.
different
what kind of disaster is it?
earthquake
To change from a liquid to a solid.
freeze (v)
A land environment that has many trees.
forest
To change from one place or position to another; a merry-go-round ____ around and around.
move (v)
Covered with soft, short hairs.
fuzzy
what keeps you safe from the sun?
---
A force that moves something away from you.
push
An animal that has a backbone. Most _____have fur or hair.
mammal
what means 'to move back and forth' and makes sound
vibrate
what environment is it?
ocean
How is rock and soil different?
---
Where something is moving to; you can change the ____ of a soccer ball.
direction
What material is it?
plastic
A land environment that is very dry.
desert
What material is it?
rock
A kind of plant that has fuzzy, green leaves and pink, purple, or white flowers.
petunia
An area of land that is a little higher than the land around it.
hill
A safe place to live and grow. Beavers build their own ______.
shelter
what tool is it?
rain guage
The material trees are made of.
wood
Doesn’t make a lot of sound; whispering makes a soft sound.
soft
A land environment that is partly covered with water or is wet most of the time.
wetland
A device that stores electrical energy; e.g., a flashlight uses batteries to make light.
battery
What is it made of
rock
The mixture of gases around Earth, which plants and animals need to live.
air
what tool is it?
thermometer
A wetland environment that has soft, wet land and can have many trees.
swamp
To move one way and then another in a pattern that looks like a line of z’s.
zigzag
The clear liquid without color, smell, or taste that falls as rain.
water
The reddish-brown material made of iron and oxygen.
rust
solid to liquid is ______
melt
A kind of energy that comes from the sun, fire, or lamps and allows you to see.
light
What environment is it?
desert
A material, like gasoline or oil, that can be used to make energy.
fuel
The same in some way.
alike
what environment is it?
swamp
A large area of water that has land all around it.
lake
anything that takes up space is _____.
matter
liquid to gas is ________
boil
reptiles, mammals, fish, birds, and amphibians all have this
backbone
To stay on top of a liquid without sinking.
float (v)
What happens when water or ice breaks rocks into smaller pieces.
weathering
The solid matter left after something is burned.
ash
To make the temperature of something a little hotter.
warm (v)