Ava is looking at herself in a mirror. How does light reflect off the mirror so she can see her reflection?

Jackson is exploring a park that is designed to mimic a natural ecosystem. Mark everything that he might find in this park?

David is exploring a forest and observes various abiotic factors around him. Which abiotic factor is not found in a natural environment?

Mia is learning about organisms that can make their own food using sunlight. She asks her teacher what another term for such organisms is. What is the correct answer?

Luna is curious about where the energy that supports all life on Earth comes from. She wonders if it is from the Earth, the moon, the sun, or the food we eat/make. What is the main source of energy for all life?

Noah places a metal rod inside a bucket of cold water and leaves it for 6 hours. What will happen?

Noah shines a flashlight at a mirror, as shown in the illustration.
In the illustration, the light ray striking the mirror is-

Ava is choosing materials for a new window. She wants the surface to be highly reflective so it can reflect sunlight into her room. Which of the following surfaces would be considered highly reflective?

Anika is looking at herself in a mirror. What does the mirror do to the light?

Luna wants to carefully drop water onto a penny to see how many drops it can hold. What tool could she use to do this?

Benjamin checks the thermometer outside his house. What is the temperature in degrees Celsius?

Aiden is checking the temperature outside using three different thermometers. Which thermometer shows about 70 °F?

Priya is watching a caterpillar turn into a butterfly in her garden. She wants to know what the stages are called that show how a caterpillar turns into a butterfly.

Kai is watching a caterpillar in his garden and wonders how it turns into a butterfly. What are the stages called that show how a caterpillar turns into a butterfly?

Anika is studying a food web in her science class. She sees carrots, grains, grasses, and grasshoppers in the diagram. Which of the following is NOT a producer?

Abigail is studying a food web in her science class. She wants to know which animal a fox gets direct energy from. Which one should she choose?

Imagine Evelyn is studying a food web in her science class. She wants to know which of the following organisms gets direct energy from other consumers. Which one should she choose?

Emma taps the side of a bucket filled with water and listens closely. How does the sound of the tap reach her ear?

When Oliver taps a drum, what causes the sound he hears?

Scarlett is playing a trombone in a concert. The instrument makes sound when air vibrates inside it.
Is this statement true?

Ava is walking in the forest and notices shorea seeds falling from the trees. She observes that the seeds are carried away by the wind. Why are shorea seeds able to be dispersed by the wind?

Mia sees a dandelion in her garden. She notices its seeds floating away after a gentle breeze. How are dandelion seeds dispersed?

Scarlett puts a pencil in a glass of water and notices that the pencil looks bent where it enters the water. The bending of a ray when light passes from air into water is called _____________. (This is shown in this picture)

Jackson gets a new pair of eyeglasses. When he tries them on, he can see more clearly. Are the lenses in his glasses transparent, translucent, or opaque?

Charlotte is curious about what everything around her is made of. She wonders if all matter is made up of atoms.

Luna is curious about what makes up everything around her, from the chair she sits on to the air she breathes. She wonders, all matter is made of _________.

Noah is visiting the Grand Canyon and wonders how it was formed over millions of years. What geological process should he learn about?

Olivia is visiting the Grand Canyon and wonders how the Colorado River created such a massive gorge. What is the name of the process by which the Colorado River carved the Grand Canyon?

During a family trip to The Grand Canyon, Sophia asked, "What will most likely happen to The Grand Canyon over time?" 

Ava and Liam are hiking near a canyon with tall, vertical sides, as shown in the picture. They wonder what most likely led to the formation of this canyon. Which of the following most likely led to the formation of this canyon?

Aria is hiking in a mountainous area and comes across a V-shaped valley. She learns that the valley did not exist thousands of years ago. How was this valley formed?

A mover is pushing a box to the right and applying 25 N of force. The frictional force resists the object's movement.

What direction is the frictional force being applied?

Ethan hits a cue ball with a pool stick, causing it to roll across the table and hit other balls. Which type of energy is this?

Which is an example of work?

During a storm, Hannah checks the weather forecast to see if it will rain. If water has a freezing point of 32 degrees Fahrenheit, which of the following temperatures would predict rain?

Emma is looking at a tiny organism under a microscope. She learns that it is unicellular. What does unicellular mean?

Samuel is walking in the park and sees a bird, a shoe, a pencil, and a dead animal. Which of these is an organism?

Aria is learning about different types of organisms in her science class. She is asked to identify which of the following is a multicellular organism.

Mia is learning about different types of organisms in her science class. She wants to know which of the following is considered unicellular. Can you help her choose the correct answer?

Noah is looking at a tiny organism under a microscope. He wonders how many cells make up this unicellular organism. How many cells is it made up of?

Abigail is looking at a drop of pond water under a microscope and sees a tiny living thing made up of only one cell. What is this tiny living thing called?

Anika is reading about microorganisms in her science book. She comes across bacteria and wonders, "Is bacteria an unicellular organism?"

Arjun is learning about different living things in his science class. He wants to know how bacteria and sharks are different. Which best compares bacteria and sharks?

Maya is looking at pond water under a microscope and notices tiny one-celled organisms moving around. Which statement best describes these one-celled organisms?

Michael is looking at bacteria under a microscope in his science class. He notices something unique about them. Which is a characteristic of bacteria?

Nora is looking at different organisms under a microscope. She wants to identify which one is best classified as a single-celled organism. Which should she choose?

Which organisms use blow holes to breath underwater?

Which animal can breath underwater because of gills?

When Priya pushes a box across the floor, friction is the ____________ that one surface exerts on another surface.

David is deciding whether to install a hard wood floor or a carpet in his house. Which surface has more friction?

Ava is pushing a box across the floor. Sliding friction occurs when two _____________ surfaces slide over one another.

Arjun pushes a toy car and it ___________ over the floor, experiencing rolling friction.

Benjamin places a heavy box on the floor, but it does not move. The type of friction that acts on the box while it is not moving is called _____________ friction.

When Mia rides her bicycle through the air, fluid friction acts on her. Is this statement true?

Emma is riding her bicycle on a rough road. The more friction there is between the tires and the road, the slower her bicycle will move.

Noah is learning about friction in his science class. He discovers that there are _________ types of friction.

When Mia rides her skateboard down the sidewalk, the wheels most likely experience-

Sally Sue slides down a playground slide. What type of friction does she experience?

Avery is riding a bicycle on a rough road. How does friction affect Avery's speed?

When Daniel slides a box across a rough floor and then across a smooth floor, he notices that the box is harder to move on the rough surface. Rough surfaces have _________ compared to smoother surfaces.

Scarlett places a hot cup of tea next to a cold glass of water. Heat transfers from an area of ____temperature to an area of ___ temperature.

Elijah is learning about heat sources in his science class. His teacher asks, "What is the biggest heat source for our planet?" Elijah thinks carefully and answers: ______________________.

Grace is baking a cake and needs to check the oven temperature. What are two temperature scales she might use to measure the temperature?

Sophia is learning about how heat can be created in different ways. She wonders which example creates heat through electricity.

Which example creates heat through electricity?

Aria and Michael are rubbing their hands together to warm them up. The heat produced is called ____________________.

Grace is checking the outdoor thermometer to see how cold it is outside. What temperature does the thermometer show?

Lily wants to lift her school bag onto a table. What does she need to do this?

Lily is interested in a field of study that combines science, technology, engineering, and mathematics. What is this engaging field called?

Michael is interested in a field of engineering that involves the design, construction, operation, and application of robots. Which specialized type of engineering should he pursue?

A toy car rolls faster down a ramp when the ramp is made steeper. What force is causing the car to move down the ramp?

Emma wants to find out how fast her toy car is moving. What tool should she use?

Elijah rubs his hands together quickly on a cold day, and they get warm. What type of energy transformation is happening?

Priya is trying to move a heavy box across the floor. Which of the following would increase the amount of friction between the box and the floor?

Samuel throws a ball straight up into the air. Which of these statements is TRUE about the ball's motion?

Emma strikes a drum with a stick, causing it to vibrate. Which form of energy is produced by the vibrating drum?

A person pushes a shopping cart, and it begins to move. What must be TRUE about the forces acting on the cart?

Sophia is filling her car with gasoline and preparing a meal. She wonders what type of energy is stored in food and fuels like gasoline?

Michael stretches a rubber band and then releases it. Which situation shows potential energy turning into kinetic energy?

Michael and James are pushing a box from opposite sides with equal force. What happens to the box?