Forces and motion are at the heart of physics and children start learning from the moment they are able to interact with the world. Children as young as one year show surprise when a ball does not behave as expected. This is a tremendous bonus to learning physics, but it has hidden dangers: they only learn how things move on the Earth, where we…

Space telescopes are some of the most precise and complicated machines ever built. Not only must they survive the harshness of space travel, but they also need to be incredibly accurate: misalignments by fractions of a millimetre can have huge effects on the quality of the images they capture. In 1990, the Hubble Space Telescope became the first…

The "Next Generation Science Standards" (NGSS) encourages educators to help kindergarteners formalize a big idea in physics: A push or pull can cause an object to begin moving, speed up, slow down, stop, or change the direction it is going (NGSS Lead States 2013). In this article, the authors share an exciting, classroom-tested…

In this part we introduce the Smart Dreamcatcher (SD) network, a visualization of the Microcosmos. The SD-network is a geometrical structure (3-uniform hypergraph) which allows a comprehensible explanation of quantitative characteristics of hadron particles at the level of elaboration by physics of 1970's-80's. The elementary particles correspond…

During elementary physics courses, many examples in mechanics are studied without considering air resistance effects. We can mention, for example, projectile motion and free fall, among many others. Only brief studies of such systems in classical mechanics courses consider linear air resistance (F[subscript drag] [is proportional to] v), which is…

Einstein's special theory of relativity includes many non-intuitive and apparently paradoxical conclusions about space and time. One of these is time dilation, the fact that a clock moving relative to an observer runs slower than an identical clock at rest in the observer's reference frame. This is clearly exhibited in the extended mean lifetime…

Background knowledge and oral language have long been linked to reading and writing outcomes. Discussions are one way to build both oral language and background knowledge. Nevertheless, designing discussions to support children's content knowledge and oral language development, as well as build discipline specific speaking practices, can prove…

Kids are drawn to dolls and dump trucks, and crashing the two together might just be a child's favorite pastime. Who knew such a simple pleasure could serve as an accessible, compelling phenomenon for instigating investigations of force and motion. With a few inexpensive materials straight out of the toy box (literally, a doll, a dump truck, a…

The atom is science's biggest idea! And now it is known that even children from 4 years of age can grasp it, creating science education's biggest worldwide opportunity. Dr. Jenny Donovan and Dr. Carole Haeusler of the University of Southern Queensland conducted multiple studies to show that primary-age children, mostly aged 7-9 years in their…

In this kindergarten lesson about pushes and pulls, the authors used the SHARE strategy to embed effective questions throughout each phase of the 5E learning cycle (Engage, Explore, Explain, Evaluate, Elaborate). The thoughtfully worded and open-ended questions shared in this article can help students generate ideas and focus their thinking…

This article describes a force and motion unit that spanned four weeks (50 minutes a day) in a fifth-grade classroom. The inquiry-based learning progression mirrors Piaget's Theory of Cognitive Development (1952) because it allowed students to manipulate materials and ideas as they actively constructed and reconstructed their knowledge of motion…

Sound is an interesting topic for physics lessons at all ages. However, it is difficult to illustrate this ubiquitous phenomenon and many models do not adequately represent the properties of sound and thus promote unwanted conceptions. The experiment presented here avoids this by visualising sound itself with the help of the schlieren technique.…

The Next Generation Science Standards lay out a model of energy that locates energy within objects and fields, and tracks energy as it transfers between these objects and transforms between forms of energy while always being conserved. This model of energy pervades much of modern science and represents a foundational, cross-cutting concept for…

This paper addresses a popular topic in science teaching and competitions for primary and secondary school students. Experiments with colliding coins are relatively easy to perform and therefore popular in science lessons. We used the idea in the science competition we organized for pupils aged 6 to 13 years.7 The science competition is based on a…

The Richard Taylor Primary School in Harrogate, North Yorkshire is committed to a focus on a whole-school vision to teach every child the wisdom, knowledge and skills to be a creative life-long learner, enabling them to shape their future. In so doing, they pride themselves on widening children's science capital and experience. Their recent…