Properties of Matter
What tool is used to measure the mass of an object?
A Balance
What is a mixture?
What is a combination of two or more substances that can be separated?
What is force?
a push or pull?
What kind of energy is in food and batteries?
chemical energy?
What is an ecosystem?
What is all the living and nonliving things in an area?
What is a physical property you can observe without changing the object?
color, texture, state of matter
What is a solution?
What is a mixture where one substance dissolves in another?
What force pulls objects toward Earth?
Gravity
What type of energy do we feel from the Sun?
light or thermal energy?
What is a producer in an ecosystem?
a plant?
Is density a physical property or chemical property?
Physical property
Name one way to separate a mixture.
What is using a filter, magnet, or letting it settle?
What happens to an object’s motion if you push it harder?
it moves faster or farther?
What kind of energy is used to power machines or devices?
Electrical energy
What do consumers eat?
other organisms (plants or animals)?
What happens to most solids when they are heated?
Expand or melt
In salt water, which substance is the solvent?
What is water?
What is friction?
a force that slows things down or stops motion?
A lamp changes electrical energy into what two forms?
light and thermal energy
What is one abiotic factor in an ecosystem?
sunlight, air, water, soil, or temperature?
True or False: Physical properties include color, temperature, and whether something is magnetic.
True
Give one way to tell if something is a solution instead of a regular mixture.
What is if one substance dissolves completely in another?
Name one way to increase or decrease friction.
What is using a smoother or rougher surface?
What energy transformation happens in a flashlight?
chemical → electrical → light?
Why are decomposers important in ecosystems?
What is they break down dead things and return nutrients to the soil?