Chapter 2 Reviewer

What is energy?

• Anything that can cause movement or carry out an action

• A kind of animal

• A plant that makes its own food

• A type of food

Answer explanation

Energy is defined as anything that can cause movement or carry out an action. This encompasses various forms of energy, such as kinetic, potential, thermal, and more, making it the correct choice.

What does it mean to predict?

• To say what you think will happen based on knowledge or observation

• To create energy

• To guess without any information

• To make something disappear

Answer explanation

To predict means to say what you think will happen based on knowledge or observation. This choice accurately reflects the process of making informed forecasts, unlike the other options which do not relate to prediction.

What is a conclusion?

• A method of cooking

• A type of energy

• A kind of animal

• The result of an investigation

Answer explanation

A conclusion is the result of an investigation, summarizing findings and insights. The other options do not relate to the definition of a conclusion.

What is energy transfer?

• When energy is stored

• When energy moves from one place or object to another

• When energy is created

• When energy is destroyed

Answer explanation

Energy transfer refers to the movement of energy from one place or object to another. This is distinct from energy being stored, created, or destroyed, making the correct choice "When energy moves from one place or object to another."

What does it mean to destroy something?

• To make it better

• To create energy

• To make something not exist anymore

• To observe it

Answer explanation

To destroy something means to make it not exist anymore. This definition clearly aligns with the correct answer choice, distinguishing it from options that imply improvement, creation, or observation.

What are electric appliances?

• Types of energy

• Animals that eat plants

• Machines that use electrical energy to work

• Plants that make food

Answer explanation

Electric appliances are machines that use electrical energy to work, such as refrigerators, toasters, and washing machines. They are not types of energy, animals, or plants.

What is electrical energy?

• Energy from movement

• Energy from the sun

• Energy from food

• Energy we get from electricity

Answer explanation

Electrical energy is the energy we get from electricity, which powers our devices and appliances. It is distinct from energy from movement, the sun, or food, making the correct choice 'Energy we get from electricity'.

What is a carnivore?

• An animal that eats both plants and animals

• An animal that eats other animals

• An animal that eats plants

• A plant that makes its own food

Answer explanation

A carnivore is specifically defined as an animal that primarily eats other animals. This distinguishes it from herbivores, which eat plants, and omnivores, which consume both plants and animals.

What is a consumer?

• A kind of plant

• A living thing that cannot make its own food and eats others

• A type of energy

• A living thing that makes its own food

Answer explanation

A consumer is defined as a living thing that cannot produce its own food and relies on other organisms for sustenance. This distinguishes it from producers, which can make their own food.

What is a food chain?

• A type of electrical appliance

• A method of predicting outcomes

• A drawing that shows how energy is created

• A drawing that shows the order in which animals eat plants and other animals

Answer explanation

A food chain illustrates the feeding relationships in an ecosystem, showing how energy flows from plants to animals. The correct choice describes this concept accurately, highlighting the order of consumption among organisms.